Cosmic Stallion GRX
Performance Gravel All-Star
The ultimate gravel bike for chasing PRs and podiums on race day, and all the training rides that get you there.
![All-City Cosmic Stallion Rainbow Trout color custom single speed bike build in front of rocky river shoreline](https://allcitycycles.com/images/bikes/all-city-cosmic-stallion-rainbow-trout-ss-build-1600x575.jpg)
Lively, Spirited, Stable
The All-City Cosmic Stallion GRX is thoroughly modern and classically styled – all on a lightweight disc-brake frameset. With the latest development of fork-mounted cargo solutions, the Cosmic Stallion GRX brings uncluttered potential to gravel riders and beyond. From fast sprints to all-day epics, this race-ready steel machine sets a new standard for beauty and functionality.
Performance
![](https://allcitycycles.com/images/bikes/all-city-cosmic-stallion-performance-600x400-ace-tubing.jpg)
A.C.E. Tubing
Painstakingly crafted from our proprietary heat-treated, air-hardened, and custom-extruded A.C.E. steel tubing, there’s nothing else like it on Earth. Learn more about A.C.E. Tubing
![](https://allcitycycles.com/images/bikes/all-city-cosmic-stallion-performance-600x400-whisky-fork.jpg)
WHISKY NO.9 CX Disc 12 Tapered Fork
Lightweight with generous tire clearance and precise handling capabilities, Whisky’s gorgeous carbon fork accommodates 12mm thru-axles and flat-mount disc brakes.
![](https://allcitycycles.com/images/bikes/all-city-cosmic-stallion-performance-600x400-tire-clearance.jpg)
Tire Clearance
Built with versatility in mind, it accommodates tire sizes 700 x 42mm or 650b x 47mm (both with or without fenders).
![](https://allcitycycles.com/images/bikes/all-city-cosmic-stallion-performance-600x400-ace-di2.jpg)
Di2 Routing Options
Outfitted to make your dreams of accurate and effortless electronic shifting a hassle-free reality.
![](https://allcitycycles.com/images/bikes/all-city-cosmic-stallion-performance-600x400-ace-rack-fender.jpg)
Rear Rack and Fender Mounts
Ready to run mudguards with the ability to mount a bag or two in the back to keep you comfy on those long rides.
Signature Details
Our mission is to bring beauty back to production bicycles. This means investing in custom touches that elevate the whole. We devote time and resources to signature details that turn heads and signify high-quality craftsmanship. These elements tell a cohesive visual story and form a distinct silhouette so that even if your unique bike were stripped down to bare metal, it would still be instantly identifiable as an All-City bicycle. Learn more![](https://allcitycycles.com/images/bikes/all-city-cosmic-stallion-signature-details-600x400-dropouts.jpg)
Custom Dropouts
All-City’s signature engraved logo shines with classic style.
![](https://allcitycycles.com/images/bikes/all-city-cosmic-stallion-signature-details-600x400-seat-collar.jpg)
Signature Seat Collar
Train your eyes on that timeless and tasteful brazed-on seat collar, elegantly designed around the All-City logo.
![](https://allcitycycles.com/images/bikes/all-city-cosmic-stallion-signature-details-600x400-bottle-bosses.jpg)
Reinforced Bottle Bosses
Beautiful stars reinforce the bottle bosses and our obsessive attention to detail.
![](https://allcitycycles.com/images/bikes/all-city-cosmic-stallion-signature-details-600x400-paint.jpg)
Liquid Paint and E.D. Coat
Our topnotch wet paint finish sparkles with depth and luster, while an E.D. coating protects against rust. Learn more about our paint
![](https://allcitycycles.com/images/bikes/all-city-cosmic-stallion-signature-details-600x400-pantograph.jpg)
Pantographed Bottom Bracket
Upside-down and inside-out, AC’s signature style is stamped into the steel.
Accolades
“The Cosmic Stallion fills a nice gap of price, practicality, and hitting the high points of modern tech to make it a legitimate contender for the race-minded.”
"Love this bike. Everything about it is well made and thought out. Absolutely flawless design. Climbs and stays on the lines like no other. Descent is so comfortable, especially with the 38mm Cannonballs! Wow! Love how the bike handles and responds."
“10/5 Would Buy 10,000 More Times. 20 years of riding under my belt, one year of being sad it was not all done on this bike. This is a very special bike.”
FIND A RETAILER
![Cosmic Stallion GRX](https://allcitycycles.com/files/studio_images/all-city-cosmic-stallion-bike-GRX-toasted-marshmallow-BK1721-1500x100.jpg)
![Cosmic Stallion GRX](https://allcitycycles.com/files/studio_images/all-city-cosmic-stallion-frameset-toasted-marshmallow-FM2874-1500x1000.jpg)
![Cosmic Stallion GRX](https://allcitycycles.com/files/studio_images/all-city-cosmic-stallion-frameset-rainbow-trout-FM0993-1500x1000.jpg)
* Manufacturer's suggested retail price may not include additional shipping or preparation charges. Please contact your local dealer for a quote. COMPLETE MSRP $3,199 USD | $4,299 CAD | FRAMESET MSRP $1,699 USD | $2,349 CAD *
Cosmic Stallion GRX - Buy Online
We cannot confirm inventory in your vicinity. Please reach out to one of the listed retailers in your area for more information on this model or consider expanding your search area.
Bike Shop to Home Delivery
Because we want to make it easier to support your local All-City retailer during this unusual time, participating dealers can now ship All-City bikes and frames directly to your door. Find your local All-City dealer using our Dealer Locator. After that, all you've gotta do is head over to their website or call 'em up on the phone to place your order, and your bike or frame will be delivered to you.
SPECS & GEO
- Frame + All-City A.C.E. Air-Hardened, Custom, Extruded steel
- Fork + Whisky No. 9 CXLR
- Crankset + Shimano FC-RX600, 46-30t
- Bottom Bracket + Shimano BSA
- Front Derailleur + Shimano FD-RX810
- Rear Derailleur + Shimano RD-RX810
- Cassette + Shimano CS-R7000, 11-spd, 11-32t
- Chain + Shimano HG601-11
- Headset + Cane Creek 40 Series
- Brake Calipers + Shimano BR-RX400
- Brake Levers + Shimano ST-RX600
- Rotors + Shimano RT26, 160mm, 6-bolt, front and rear
- Shifters + Shimano ST-RX600
- Stem + Whisky No.7
- Handlebar + Whisky No.7, 12° Flair
- Grip + All-City Super-Cush with Locking Alloy All-City End Plugs
- Saddle + DDK-5255
- Seatpost + Whisky No.7
- Front Hub + Novatec D791, 12x100mm, 28h
- Rear Hub + Novatec D792, 12x142mm, 28h
- Rims + WTB ST Light i23, 700c, 28h, Tubeless Ready
- Tires + Teravail Cannonball 700 x 38 60tpi Light and Supple - Tan Sidewalls
![Frame geometry diagram](https://allcitycycles.com/images/bikes/all-city-frame-geo-diagram-800px.gif)
Size | 46cm | 49cm | 52cm | 55cm | 58cm | 61cm |
---|---|---|---|---|---|---|
Head Tube Angle | 70 | 71 | 71.3 | 72.2 | 72.2 | 72.2 |
Seat Tube Angle) | 75 | 74.5 | 73.8 | 73.5 | 73.5 | 72.5 |
Top Tube Length) | 510 | 530 | 545 | 560 | 580 | 610 |
Seat Tube Length | 435 | 465 | 495 | 525 | 555 | 585 |
Chainstay Length | 425 | 425 | 430 | 430 | 430 | 430 |
Bottom Bracket Drop | 75 | 75 | 75 | 75 | 75 | 75 |
Fork Offset | 45 | 45 | 45 | 45 | 45 | 45 |
Total Fork Length | 392.4 | 392.4 | 392.4 | 392.4 | 392.4 | 392.4 |
Head Tube Length | 95 | 110 | 124 | 149 | 173 | 198 |
Standover | 728 | 753 | 777 | 806 | 832 | 858 |
Wheelbase | 999.8 | 1006.8 | 1017.4 | 1021.2 | 1041.8 | 1060.3 |
Stack | 529.8 | 547.7 | 561.8 | 589.1 | 612 | 635.8 |
Reach | 368 | 378.1 | 381.2 | 385.5 | 398.7 | 409.5 |
Handlebar Width | 400 | 420 | 420 | 440 | 460 | 460 |
Stem Length | 60 | 70 | 80 | 90 | 100 | 110 |
Crank Arm Length | 165 | 165 | 170 | 170 | 175 | 175 |
- Frame Construction + All-City A.C.E. Air-Hardened, Custom, Extruded steel
- Fork Construction + Whisky No.9 thru-axle, carbon blades, tapered carbon steerer tube, flat-mount disc brake
- Rear Dropout Configuration + All-City Signature Sliding 2-For-1 Dropout
- Derailleur Hanger + Replaceable derailleur hanger; '687' (FS2339)
- Rear Hub Spacing + 142 x 12mm; thru-axle; Ø12 x 167mm , TP=1.5, TL=12
- Front Hub Spacing + 100 x 12mm; thru-axle; Ø12 x 120mm , TP=1.5, TL=12
- Rear Brake + Flat Mount, 140mm to 160mm
- Front Brake + Flat Mount
- Headtube + 1 1/8" - 1 1/2" tapered
- Steerer Tube + Ø28.6mm
- Crown Race + Ø40mm
- Stock Headset Upper (S.H.I.S) + EC34
- Stock Headset Lower (S.H.I.S) + EC44
- Seat Collar + All-City Signature Brazed-On
- Seatpost + 27.2mm
- Front Derailleur (Clamp) + 28.6 Band Clamp
- Max Chainring + 1x: 52t max // 2x: 53/39t max // 3x: 52/39/30t max
- Bottom Bracket + 68mm English Threaded
- Tire Clearance - Frame + 700c x 42mm / 650b x 47mm
- Tire Clearance - Fork + 700c x 42mm / 650b x 50mm
- Rigid Fork Spec + 395mm Axle to Crown; 45mm offset
- Bottle Mounts Frame + Thee mounts, two inside front triangle, one under downtube
- Rack Mounts Frame + Yes
- Rack Mounts Fork + Yes
- Fender Mounts Frame + Yes
- Fender Mounts Fork + Yes
- Other Features + E.D. coated for durability and rust prevention
- Download(s) »