The GC05 frame is built with a heat-treated and triple-butted WEAPON Chromoly tube set designed specifically for the CR serials and features aggressively short-butted sections optimized for TIG welding that save weight and improve ride quality.
It employs custom-shaped Crom steel Spirit triple-butted tubes with a highly contemporary 48mm mega-oversized downtube, tapered conical CNC head tube, and a T800 full carbon fiber fork.
FEATURES
- Inner cabling design for shifter/brake cabling.
- 3 rustproof layers for all our steel tubes to make your bike last lifelong.
- Butted CrMo steel frame – lighter steel tube to reduce the weight of the steel frameset more.
- Flat mount disc brake design – The most popular brake mounting design to ensure you have more transmission options like Shimano, Sram, Latwoo, and more…
- Aero carbon fork design – To give extraordinary handling abilities for your racing for a tapper aero fork.
- Wider tire design – Up to 42c tire clearance.
- Amazing value and is seriously fun to ride.
FRAME SPECIFICATION:
| Frame Material | Heat-treated | triple-butted chromoly steel tubing | tig welded |
| Headset | IS 44mm / 52mm – 28.6mm (Included) |
| Seat Post | OD: Ø27.2mm (Not included) |
| Seat Clamp | ID: Ø30mm (Included) |
| Standard Movement Box/ BB | BSA 68mm, English Thread. |
| Cable Routine | – 2 nos Inner cabling holes on the downtube. – 1 for Front derailleur cable. – 1 for Rear brake and Rear derailleur cable. |
| Tyre Clearance | Up to 700 x 45c |
| Brake mounting | Standard Flat-mount Disc Brakeset Caliper (34mm spacing) |
| Weight | Frame – 1850g (Size M) |
| Hub Spacing / Wheel mounting | Rear -142mm / OD: Ø12mm Thru-axle mounting. |
| Additional Info | – 3nos* Bottle holder mounting. – Front and Rear 12mm alloy thru-axle included – Customized Replaceable Derailleur Hanger. –Frameset Geometry and size Chart as last product display photo. – OD – Outter diameter, ID – inner Diameter. |
FORK SPECIFICATION:
| Fork Material | Carbon Fiber T700 |
| Fork Steerer | Length: 300mm Top: 1-1/8 Inch (Ø28.6mm) Tapers down to 1-1/2 Inch (Ø39.8mm). |
| Fork Rack | Rack:46mm |
| Cable Routine | Inner cable routing |
| Brake mounting | Standard Flat-mount Disc Brakeset Caliper (72mm spacing) |
| Hub Spacing / Wheel mounting | Front: 100mm / OD: Ø12mm Thru-axle mounting. |
| Tyre Clearance | Up to 700 x 45c |
| Weight | Fork – 490g (Uncutted). |
| Additional Info | – 2 nos mounting points on each blade side. |
For more gravel frameset options, simply click our Gravel Frameset Product Line.
To have the best riding experience, build your gravel bike with our featured All-in-one Gravel Bike / Road Bike Groupset Packages.
Want to see more full bike build photos? simply click our Instagram Page.

























Le cadre est arrivé en parfait état en Belgique. Pas de frais de douane. La couleur verte est top. Vendeur très réactif.
The frame arrived quicker than I thought. Paint is perfect. Welds are clean. Good communication from seller. Cannot wait to ride it.
Bin begeistert von dem Rahmen. Sieht sehr edel aus. DPD Tracking war genau und die Lieferung erfolgte zollfrei bis an die Haustür.
The marble green is eye-catching. Frame alignment is perfect. Shipping to Oregon was tax-free and tracked all the way. Highly recommended.
Item described perfectly. The accessories kit is complete. The frame was wrapped like a mummy. No customs duty to pay in the USA.
Whole process was easy. Bike arrived early, well-protected, and tax-free. GC05 offers comfort and power on gravel routes.
You can’t beat this quality for the money. The steel is lively. Arrived in Denver in perfect condition. Packaging was very professional.
这个颜色实物比图片更好看,很有高级感。发货速度快,顺丰直达上海。包装保护得很好,没有任何磕碰。配件齐全,五星好评!