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Thomas Callahan


After 12 months of design and testing we are now using 3D printed 5-15 on all gravel monster frames. This allows a super strong connection that is corrosion free. It allows the shop to continue to stay at the forefront of the industry pushing the limits of technology and performance. Even though it is a large cost, It saves time on the overall build which means I can build more bikes and get your bike out to you faster. Big thanks to Steven Bukowski for his help with prototyping and printing. One of the best parts of working in Brooklyn is being able to collaborate with such talented people who also love bikes. Check out some of the process photos below and a few glam shots of this new Gavel Monster in Land Rover Green.



Thomas Callahan

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Shiny now… not for long. Dean grew up riding with his dad and soon got deep into the roots of the road racing scene in Orange County. After years on the road and with a passion to expand his riding pallet, he turned to the growing mountain bike circuits of Southern CA. Racing primarily cross country, Dean grew an affinity for what the dirt had to offer.

Enter the GRAVEL MONSTER. “A true race machine.” Not built for the peloton or the technical rock garden and NOT a cross over. From fire roads to single track, built for speed and for the likes of Grinduro and the Dirty K. The Monster is the purest gravel rig.

This is what Dean was looking for, starting with above platform: the lightest selection of tubes available, optimized power transfer, hand turned tapered head tube, T47 bb, and ENVE-G fork. Dean added both internal hydro cable routing, custom paint and deducted weight by dropping cable routing and opting for SRAM’S newest wireless electronic shifting, AXS etap. Top it off with Enve AR hoops and cockpit and this is one light machine.

As well as a seasoned racer, Dean also works in the bike industry and I was super stoked when he got in touch for a build. It’s certainly an honor to build bikes for people who clearly love to ride, and this build truly came out lovely. A shiny lady only once, calling for dirt and speed. A visual from the old westerns I grew up on comes to mind - a dusty plume only seen in the wind above the trees, created by a man on his horse. A single rider, maybe hot on your trail. Better giddy-up.


Thomas Callahan

After a Year of riding, the Hell Cat Lives on. We took a few of the first new models out to Montana to Sklar headquarters for a week long Builders camp. There we rode are tails off. Here are a few shots our buddy John Watson took still dusty from the Montana trail. Head over to the HELL CAT bike page to check out what this rig is all about. - Happy trails -


Thomas Callahan


Sierra Trails puts on a number of events every year. This past weekend was the 2019 Lost and Found Gravel race, where they do a great job of hosting an event that is across-the-board a super fun time. It focuses on the natural beauty of the NorCal wilderness while putting emphasis on supporting the maintenance, creation and restoration of trail systems we love to ride and hike.

One of the entries this year was Kevin McClelland riding his Custom Gravel Monster. Kevin is a good friend and avid rider, and I was super stoked knowing he was pushing his limits entering the 106 mile category. No small feat.


Starting and finishing this year in the town of Portola allowed more of a community vibe. Camping in the town park along the lazy river and immersing in the community is part of what gravel races are about. A lax environment geared toward getting out in the woods and putting miles on your rig. Take it as fast or slow as you want, hang with friends or push your limits.

Out side of Portola the race takes you deep into the the wilderness of the Sierras where you can find your self riding isolated miles through a mountainous pine tree landscape on some amazing trails. This year with the rains the night before and combined with the snowmelt of the late spring season made for mixed conditions and challenging wet terrain.

Kevin said his rig performed beautifully and made for an amazing race. For this ride Kevin slapped on a set of 27.5 x 2.25 Continental Speed Kings. The higher volume fast rolling mountain tire proved to be a great choice for the mixed surface gravel race. The light, plush characteristics at 22psi made for a more enjoyable 106 miles. “From the wet and wiled climbs through the eroding and rutted single track to the high speed descents on slippery kitty litter gravel, the bike rode like a dream. The tire choice for the day worked out great too, and I’m super happy with the extra tire clearance this rig allows,” says Kevin.

Getting out in the wild, hanging with friends and giving back is what its all about. Sierra Trails does a great job of setting up a platform to accomplish all of these things. All the proceeds from the race go back into the community and into the wilderness. Connected to the race is a raffle called Builders for Builders. All the proceeds again go back to the community that continues to allow access to existing trail systems and fund the development of new trails. If you're interested in giving back and the opportunity to win one of five amazing handmade bikes follow this link and enter the raffle. Thanks to the Sierra Buttes Trail Stewardship, the builders for donating bikes, Kevin for ripping his Horse and Ian Matteson for these amazing photos.


Thomas Callahan


Nicky came to me looking for a do anything, go anywhere long distance gravel rig. This bike, built about a year ago was destined for Oregon, where Nicky was finishing up his last years of school. Just after that, and after many miles on the lush fire roads in the Oregon outback, Nicky moved back home to LA county and with him came his steed. Two years later and nick has his rig dialed. The bike that was calling Nicks name back in 2018 was the All Road adventure machine. Nick went with a stock size rig and opted for custom paint in a forest service green matte finish.


A year later i saw the bike pop up in Golden Saddle Cyclery’s IG and it looked great and well broken in. Now living in Echo Park with quick access to the parks just out of the valley, Nicky is rips his rig. I picture him Caked in dirt dropping down the single track of the LA County trail systems and one thing popped into my head. That boy can “Surf the Dirt.” I’ve been following nick since we connected a year ago and as always its a pleasure to build bikes for riders and athletes who push the envelop, push themselvs and push the machines that come out of the workshop.

Thanks Nick for riding the rig and “Surfing the Dirt,” and for sending me updates on all your adventures.

Also thank you to Jimmy Rosas for taking these dusty shots of the well used machine from Brooklyn.

Both of their IG’s can be found here:




Some Nicky’s favorite rides in LA: 

1. Henninger Flats up to Mt Wilson Toll Road to Mt Wilson (gravel) LINK

2. Starting in Monrovia Canyon Park past White Saddle up to Rincon and back (mostly gravel) LINK

3. Up Glendora Mountain Road in Glendora across Ridge Road to Baldy Village to the ski lifts (all road) LINK

4. Up hwy 39 starting in Azusa through the canyon past Falling Springs to Crystal Lake Cafe LINK


Thomas Callahan


18.2 lbs is pretty light for a steel bike for sure, and extra super duper light for a gravel bike. How did we get it so light? We use the very lightest and strongest tubes possible without compromising durability; the frame utilizes Columbus Life and Dedda heat-treated alloy tubing. We drill out the tube intersections to reduce weight wherever we can. This bike being around a 55cm frame also helps keep the weight down. We are able to chose lighter tubes for lighter riders and get the same end performance. The main reason for the weight savings are the components, namely the carbon components. The marriage between the ride quality and durability of steel and the beneficial characteristics of carbon is ideal.

If the frame and fork weigh 3lbs, then most of the total weight is the components. 15.2lbs in fact. Nothing special about the sram force group, and though the White Industries G-30 cranks are my choice over any other, they are not the lightest out there for sure.

The Enve Gravel fork, G-bar, stem and seatpost rule for performance and are a huge factor in keeping weight down.

The biggest advantage in weight savings and the one component that really adds to the performance of this Gravel Monster are the wheels. Keyed up with Enve G27 - 650-b front and rear really complete the picture and allow this bike to perform at the front of the pack wherever you may ride. The Wheels are the first and best upgrade I recommend when helping chose gravel components for customers. if those are out of the question, the G-bar is my 2nd.

If you can roll with the cost of carbon components i would highly recommend it. Lighter is better because you feel more connected to the road or lack there of. Most noticeably it offers an advantage while climbing. It’s pretty special to come out of the saddle and feel the acceleration as you rock back and forth; less poundage to hold you back, allowing you to float as you climb.

This custom Gravel Monster for Lucas Dowers (his 2nd Horse) is a gem. This rig pushing the boundaries of the modern steel machines made in the U.S. today and we couldn’t be more happy to be making rad bikes for amazing people.


Thomas Callahan

This is the First Episode in series conceived and carried out by Justin Balog in conjunction with Pearli Zumi and Shimano. Justin is the radest of guys and an amazing film maker who, in my opinion, has an extraordinary talent for telling a story. Please check out this video and some of the stills he snapped from around the shop that help to tell our unique story.



Thomas Callahan

Bryan’s ALL ROAD ELITE is a Dark Horse! Ben over at Horse Cycles Paint killing the finish. Bryan wanted to incorporate something unique into the design of the finish and he gave us this amazing optical graphic called the Zollner Illusion. Basically a number of parallel lines with hashmarks striking through each line. The illusion is the parallel lines look angled. The deep dark navy blue and bright metallic gold make this bike both a dark steed and a shining stallion.

The build is also one to Enve. The Wheels that drive this rig are the new ENVE SES 4.5 AR DISC wheels. Because this bike will be used as a 70% /30% road to gravel we chose a stiffer wheel for grater acceleration when riding on tarmac. The I9 hubs give it the engagement of the highest end mountain wheel for technical climbing on the trail. Paired with the Panaracer gravel kings make this wheel set up perfect for the Bay Area riding Bryan is after. The Chris King Matte Jet headset, Thomson seat post and x4 stem, brooks carved C15 saddle and a full Sram Force Group compliment the frame making it a capable Rig on and off the trail. Keep your eye out for a twinkle in the Bay Area and in the Berkley hills outside of Oakland, CA.


Thomas Callahan

Kevin McCelland over at Enve asked us to Build him a gravel monster to help launch and hi-light their new Gravel bar and Fork. Ummmm yeah?!!. First, Kevin is a ripper. I love building bikes for a super strong rider who pushes the boundaries on two wheels. Kevin wanted a monster gravel ride that could handle most single track but also endure on longer gravel rides. Something that would be at home in Quincy, CA at Grinduro and also handle the DK 200.

The bike was built around the New ENVE fork and Bars, the style of riding kevin would be doing and the tires he would be shredding on. In this case maximum clearance to show the capability of the new carbon fork. Using a 27.5 x 2.25” WTB Riddler tire makes this a MONSTER of a gravel bike. I think the spec on the site is 60mm width tire complicity but i’m pretty sure you can run a 2.5” on this fork and the rear end would be happy to see something that large.


A hand stamped brass BB badge for a special touch. Horse X Enve.

The new fork is super sick. Maximum clearance / clean lines / internal cable routing / fender mounts and offered in 50mm rake with a 47mm rake to be released in the near future.

Fender mounts! YEAH!!

The new Gravel Bar is a game changer. The added width creates stability in the drops and allows confidence at speed under the most challenging terrain. Also they are super comfy. I’m all about that comfy comfy!

A few specs on the build: Tapered hand turned head tube, full Columbus Life and Zona Steel tubing, flat mount disc brakes front and rear, 1X drive train. We used a 73mm T47 Bottom bracket and an M30 White industries crank to achieve the rear clearances for a 2.5” tire. Three sets of Water bottle mounts, Enve bar, stem, seat post, fork and G27 rims laced to White hubs. Also a polished White ind Headset. We used the New Paul Klamper flat mount disc brakes and Paul thru axle skewers wich rule and really add to that bling.

The Paint work from Horse Cycles Paint is simple but meaningful. Appropriating the minimal look of the Fast Boy Assless bike is a homage to Ezra. A New York builder who is no longer with us but lives on through his amazing spirit.

All and All this was an amazing build for me. It allowed me to push the boundaries of building, work with wonderful people and do some great riding. Thanks so much to Kevin for his vision and trust in me as a builder. I hope to build many more MONSTER GAVEL bikes like this in the future, as always putting my heart and sole in to each frame. I’d also like to thank Ian Matteson who took these amazing photographs and everyone at Enve Composites who made this pretty rad stuff.


Thomas Callahan

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This custom 650B trail boss sports 2.1’ tires front and rear for maximum trail control. A custom machine built for the bay area trail systems that span from dry hard pack to fogged in mud bogs.

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Utilizing flat mount Rear disc mounts and the syntace dropout system, we shaved weight while giving un-compromised performance. The build includes the Easton EA70 AX flared adventure handlebars and a custom wheel set built from Belgium plus rims laced to Industry Nine mountain hubs, Thomson stem, seatpost and a White Industries t47 bottom bracket. The drive train, SRAM Force, has a 1:1 gear ratio with 42 up front and a 42 tooth rear climbing ring out back. It also sports some nice paint from Ben Falcon at the Horse Cycle Paint shop. Some color flair on the inside of the fork and chainstays and a overall heavy matt clear coat over a pale gray base. She’s a looker!

This bike just got back from Grinduro out in Quincy, CA and I was told that it performed beautifully



Salmon All Road Elite

Thomas Callahan


We just finished this custom painted All Road Elite. This build also boasts a set of hand built HED Belgium wheels with some rubber from Pananracer. The Gravel kings, a fast rolling capable gravel choice. The Other subtle but really great thing about the build is the Brooks Cambium saddle and new rubber bar tape which feels like a dream and matches the cream accents in the paint. Full Sram Rival 1 x build with Thomson seatpost, clamp and stem. She’s going to a good home and is sure to have many miles ahead.



Thomas Callahan

Named after the famed Horse Cycles Workshop Cat Charles, the "HELL CAT" MTB is a fully capable plus size shred machine.  The slacked head tube and long top tube allow it to climb steep inclines with ease and drop into the most challenging descents.  The tight hardtail rear end gives great power transfer and stability while the plus size tire provides a plush suspension and that "floating feeling" when flowing down trails.  The Hell Cat lets it all hang out, allowing you to ride more challenging terrain, go bigger, steeper, and faster; boosting confidence and giving you ultimate control.


We've found a 130-150 travel front fork and 2.8" tires are the perfect set up for the all mountain rider.


Incorporating the latest standards including Boost front 110x15mm thru axle and boost rear, 148x12mm thru, T47 oversized BB, Syntace dropouts, internally routed dropper and room for 3" tires.  The Hell cat also comes standard with a custom turned tapered head tube as well as a bent seat tube allowing a tucked rear end.

This Hell Cat features a custom bent down tube for more clearance and front travel as well as triple internal cable routing. Custom anodized white and Paul Components.  Sram Eagle 1x12, 10-50 tooth rear cassette, Sram rsc Hydro brakes, Fox dropper and Fox 34 130mm front fork.

Each bike comes standard with Charles the Hell Cat logo on the head tube and seat tube, painted in house by Ben Falcon at Horse Cycles Paint.  Check out the product page for more details!  HELL CAT


I'll be taking this bike out with me to Bozeman Montana for Builder Camp. Five days of shredding with some of the best builders around, including Sklar bikes our host, Curtis Inglis from Retrotec, Carl Strong, Arron Stinner, Squid bikes, and Breadwinner to name a few.  It will be my first time riding with John Watson since he lived in Brooklyn over ten years ago.  Also coming are Alec White from White Industries and Paul from Paul Components.  


Purple People Eater: AKA SPICY ALL ROAD

Thomas Callahan


52cm All Road Elite: Sram rival 1 x group kit. Parlee Carbon fork, T47 oversized BB and those sweet interchangeable dropouts.  12mm thru axle front and rear.  We decided to go with some 80's flair and spice it up with a bit of neon.  Very "Saved by the Bell."  Worthy of the gravel it will be gobbling up in the hills.


Thomas Callahan

This All Road Elite was paired up with custom paint and matching painted stainless steel fenders.  The Parlee Carbon fork is great for fender capabilities and comes in the same geometry as the Enve carbon cross.  Classic moss green with a throwback gold script logo hints back to the days of the first Urban tour production bikes that came out of the shop almost 7 years ago.

My other favorite part to this build is the Panaracer Gravelking SK gum walls paired up with the Brooks honey saddle and bar tape making it a modern classic.


Thomas Callahan

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The Topo Track bike spawned from a collaboration between the workshop and Brett Hernandez to build a super unique ride and showcase it at the 2018 NAHBS in Hartford CT.

The custom build is a super stiff track machine capable of handling city streets and long loop runs in the park.  Made from a combination of Columbus steel tubing including COLUMBUS -LIFE, MAX, MEGA MAX, SPIRIT and ZONA. The tube profiles help maximize the ride characteristics making it rigid where you need it for hard accelerations and compliant where you don't to cope with long miles

We really love all the little details on this bike. The tapered head tube and ENVE fork make for a beautiful front end, while the subtle custom Horse dropouts take it completely over the top. All this, in conjunction with the complete ENVE build, makes for a super light weight, sturdy speed machine.

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Ben Falcon Over at HORSE CYCLES PAINT really crushed this paint job.  The CHRIS KING Anodized Orange was used as a reference for for the main accent color.  Achieving that by laying down a metallic silver under about 4 coats of candy orange gives the thin topo lines a depth and shimmer that draws you in.  30 hrs after starting, Ben finalized the work with a fade-in fade-out top design that is really next level.  Custom PHILWOOD painted hubs to match! The Topo ENVE stem is super killer and such a pleasure to look down at when pulling laps on a sunny afternoon ride.  Thanks to Both Brett and Ben for making this super special build.

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Thomas Callahan

After a summer of pure all-road bliss, I had the rare opportunity to take my Horse on a 6 week work trip to San Francisco this October. The Bay Area is a rare place that puts every kind of road, trail, and path right in your back yard. Add in all kinds of stunning scenery, and its almost overwhelming. I tried to cover as many of the favorite local routes as I could, but I know I only scratched the surface:

Despite the endless options, I found myself spending a lot of time exploring the Marin Headlands. It was hard to believe that such amazing riding was only 20 minutes from my front door just over the Golden gate.


Packed inside its 15 square miles was everything I could ask for; challenging climbs, swooping descents, rugged dirt trails, unbelievable landscapes, ocean views, and some pretty awesome wildlife to boot.


As a Brooklyn based cyclist, I’ll be missing those magical foggy Headlands’ loops for a while. In NYC it’s back to working for the weekends and driving, training, or riding long distances to find scenic roads. The struggle is real, but it makes you appreciate these incredible places and the machines we use to explore them even more. 

All Road Elite

All Road Elite

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Write here...

Thanks to Nik Karbelnikoff who wrote these words and took these great photos and continues to inspire with his dedication to two wheel adventure.


San Francisco to Santa Cruz

Twin Peaks

Planet of the Apes

Mt. Tam – Paved and fire roads

Seven Sisters

Faifax Bolinas Rd

Bolinas Ridge Fire Rd.

Muir Woods

Mt. Diablo

Marin Headlands


Thomas Callahan


This a custom-sized All Road Elite special with paint by Ben Falcon. This lady is set up with HED Belgian 650B wheels, and WTB Horizon rubber for maximum contact and speed, room for 700c x 45mm, T47 BB / 44mm down tube / Enve cross up front and through axle all around.  Force Hydro 1X for good measure and Chris King BB and Headset.

Bridget Paulick, who we built this bike for, is an impressive athlete and plans to shred road and gravel alike. Bridget just got back from Hawaii where she completed an Iron Man. We're excited forward to be building for such an accomplished rider. More action shots to come!  Thanks to Nik Karbelnikoff for helping make this bike happen and all logistics. Also thanks to Deluxe cycles for building her up.  



Thomas Callahan

We couldn't be happier to work with local moto shops like , run by Kerry Sano. Kerry, a long time moto mechani, who after 15 years of wrenching and 4 years of running the Ducati / Triumph service department in NYC, just celebrated her shop's one year anniversary. Not only does she do impeccable service work but also jams out amazing custom bikes, both modern and vintage, with great style and grace.  If you have a motorbike and are looking for a custom touch, MOTOVELOCITA should be your next stop.



Ben Falcon of Horse Cycles Paint recently completed tank and fender. Gloss navy / matte red logo and some Italian flag action on the fender.

Understated and classy. We love painting motorcycles, so let us know if you have something you would like us to paint! Come by the shop or head over to MOTOVELOCITA and give your ride the good treatment

Custom saddle and tool bag.


Kerry in her Bushwick Brooklyn shop zone!


Kerry in the moto zone!

All Road in Bovina: An outside Perspective

Thomas Callahan

Written by: Nik Karbelnikoff

Last summer I became one of the many cyclists who found themselves sucked in by “all road” craze. Before the Winter took full effect, I was pushing my Giant TCR on 25mm tires well past its recommended use and I knew I would need a different bike for the 2017 season. Around the same time, a colleague of mine introduced me to the world of custom made steel bikes. As a former carbon obsessed race bike guy, this was completely new to me. I was instantly obsessed with the craftsmanship, paint schemes, and of course the endless build possibilities. I wanted in!



While searching for steel all road frames I came across a number of great options that were all conceptually pretty similar. As a Brooklyn native, I decided I wanted to work with someone local, and the minute I saw the Horse Cycles All Road Elite I knew I had to have it.

If I was going to go custom I wanted an intimate experience, so to me the big upside of working with a local builder was actually getting to meet them and see their work space.



In mid-February I sent Thomas an email inquiring about the bike. He immediately wrote back and invited me to his shop. The next week I stopped by to discuss the project. We chatted while he gave me a tour and introduced me to Charles, his infamous shop cat. He was so psyched on the bike and the high end build I wanted to do that I knew I had made the right choice. The next day I emailed him again to confirm the frame size and he wrote back – “So pumped. I love this bike and everything about it. Amped to build you one.”



This was my first custom steel bike and the build process did not disappoint. I got to stop by a few more times to check out the progress and consult on components and paint before taking it to Magliarosa NYC to be built up. During my visits Thomas and I casually talked about getting some rides in and maybe taking some photos. I figured that after the bike was done we might set up some time to take high res stills in his shop, high five, and go our separate ways besides a few Instagram tags and some friendly email exchanges.  



After picking the bike up and sending Thomas some nice shots of the completed build he mentioned wanting to get some more outdoor shots, casually texting me – “I’m going upstate this weekend. Anyway you will be up there? Would love to get some nature shots! Let’s chat tomorrow. I’ll know more.” – Two days later he sent me an address and a photo of a beautiful property with a pond and a newly built one room cabin in Bovina New York and said – “Not sure if you have a car. Headed up tomorrow. Will be there until Sunday. You could stay on the property. I have a little shed and a tent and sleeping pad.” - The invite sort of caught be by surprise but after a few more picturesque photos and a thumbs up to bring my dog, I had say to yes.



What ensued was an epic weekend of camping, cooking, swimming, and of course riding while Thomas and his friend Steve finished the newly constructed outhouse, duly named – the poop castle. Thomas’ property is a little slice of heaven in the Norwest corner of the Catskills where the valley views, local farms, and dirt roads to explore seem endless. It quickly became clear to me that his brand is synonymous with what he loves and the property is a perfect way to make his work come to life – chopping fire wood with his hatchets, preparing food with his knives, and exploring the area on his bikes.



On Sunday I went out for a ride just short of 40 miles that was about 60/40 paved to dirt ratio. The terrain is challenging to say the least. I cracked 4,000ft of climbing in under three hours of riding, making me earn every last bit of the fast fun descents that followed each long climb. The hard-packed red clay dirt roads were in amazing shape and outside of Route 28 I saw very few cars at all. It was exactly the kind of ride my new bike was made for and left me wanting to get back as soon as possible to explore all of the roads I couldn’t get to.



That evening I got in my car to drive back to the city, dirty, sunburnt, dead tired, and completely content. What had started as a bike frame inquiry had become more than I ever expected. A month or two prior to this trip I heard Thomas and Ben Falcon speak about their crafts at a Magliarosa: Meet the Maker event. Ben talked about how objects carry meaning and rhetorically asked – “Why not make them special?” I couldn't agree more. As far as my bike is concerned, it's absolutely awesome - but I think the memory of this process and hanging out with two rad dudes in Bovina will outlast it, and that might be the coolest part.

For the love of bikes and everything outdoors.

Thomas Callahan

A video by Brian Chu, a good friend and super talented film maker here in the city and one of the masterminds behind Wearhause.

"Thomas - a man of many talents. His love for bikes (of all kinds) and the outdoors is contagious. I've only been in NYC for 2 years and just starting to scratch the surface or exploring the surrounding areas. Making this video was an awesome way to not only document Thomas in the shop, but more importantly getting outside and experiencing what's out there. It's easy to get wrapped up in the hustle of the city and I didn't realize how much we can access in just an hour or two away. What started off as a few Instagram clips evolved into this video as I captured the lifestyle that surrounds Horse Cycles. Looking forward to the warm weather and continuing the search!"