With an upgraded 1*12 speed transmission gear set, we make this Carbon Gravel Groupset in 5.5kg with an all-in-one package.
WEAPON Carbon Gravel 1*12 Speed Groupset in 5.5kg has finally been released, it is most likely one of the best gravel groupsets in the world.
There are distinguishing innovations for WEAPON Carbon Gravel 1*12 Speed Groupset:
- The use of the most trending 1*12 speed transmission – Combined with pure Ltwoo hydraulic 1*12 top transmission groupset, in terms of smoothness of gear changing or durability, Compared to SHIMANO GRX / SRAM AXS Gravel groupset, with 1000+ rider’s reviews, GRT will give you reliable and solid ride wherever tough road condition.
- D29 super lightweight crankset – with our new engineering technology, we make your top crankarm TURBO D29 in 430+g, with the installation of a single chainring, we could control this crankset within 600g.
- Elite Cassette– To limit package weight, we control the weights of all components in detail, with our engineering design, we make our Elite cassette (11-39T) in 400+g only.
- 33mm carbon fiber wheelset – To reduce your gravel bike weight in a shape way, we designed this package with 1200g carbon wheels, with an extremely lightweight tire and tubes, so you could have your wheels in 2200g.
- 700g cockpit set – When it comes to the top-level groupset package, we featured all our premium carbon cockpit parts – Saddle, seatpost, stem and carbon drop bar.
- ALL in one package – Simply one package to build your gravel bike in one shot, from durability and price, it definitely one of the best choices.
The WEAPON Carbon 1*12 Speed Gravel Group Kit includes the following:
- Wheelset :
*Wheelset : WEAPON DC33 33mm Carbon Fiber disc brake wheelset (Front & Rear) , Front:545g, Rear: 650g.
*Tyre: Continental Terra Trail, 180 TPI,700*40c, 465g *2
*Inner tube: Ridenow, 700c*40c, 45g *2 - Transmission:
*Shifters (F&R): LWTOO GRT 1*12 speed ,590g
*Derailleur(R): LWTOO GRT 1*12 speed, 297g
*Crankset: WEAPON D29 Crankaim ,L:170mm, 39-52T(optional). 540g(40T)
*Bottom bracket: WEAPON D29 DUB ISO threaded external, Seal bearing.80g
*Chain: Elite ,Silver,12 speed, 124 links, 280g
*Cassette: Elite,11- 39/52T(optional), 390g(39T).
*Shifter Cable Housing included, 50g - Brakes:
*Brakes Caliper: LWTOO GRT Pure Hydraulic Disc brake, 80g *2
*Rotor: 6 bolt Elite , R160mm, 100g *2 - Cockpit set:
* Saddle: WEAPON 3D Carbon Racing Edition, 175g
* Seatpost: WEAPON Carbon fiber 武器 ,15mm Setback, Ø27.2 mm * L350mm, 130g
* Stem: WEAPON Carbon fiber 武器 , Ø31.8mm * L90mm * 7°, 125g
* Spacers: WEAPON Carbon fiber set Ø28.6mm * H 60mm, 10g
* Handlebar: WEAPON Carbon fiber Drop bar (Ø31.8mm*L420) ,230g
* Handle grip: WEAPON Carbon tape T3mm*L100*2, 80g
* Padel & Strap: No included - The total weight: ~ 5450 Gram
For more Gravel / Road bike groupset options, simply click our Gravel Groupset Product line.
Want to see more full bike build photos? simply click our Instagram Page.







The kit arrived in New York in perfect condition. No duties. The carbon levers have a great grip and texture. Assembly was straightforward and fun.
Nhận hàng ở TP.HCM rất nhanh. Bộ group carbon 1*12 nhìn rất đẹp, nhẹ và cứng cáp. Shop tư vấn nhiệt tình, không phát sinh thuế phí gì cả.
收到货很满意,包装非常专业。碳纤维的质感很好,重量很轻,装车后整车刚性提升明显。第一次在网上买全套,客服响应也很及时。
Barang sampai di Jakarta dengan aman. Packaging rapi. Groupset carbon 1*12 ini sangat ringan dan kokoh. Suka banget sama warna hitamnya yang elegan.
Paczka dotarła do Warszawy bez opłat celnych. Karbonowe elementy są sztywne i lekkie. Montaż przebiegł bez problemów. Świetny stosunek jakości do ceny.
Delivered to Denver quickly. No tax was a huge plus. The 1*12 mechanics work flawlessly and the carbon crankset is super stiff. Highly recommend WEAPON.
Shipping to Singapore was super fast. The packaging protected everything well. The carbon parts are stiff and responsive. Love the stealth black design.
Arrived in Montreal with no extra fees. The carbon fiber construction makes the bike feel snappy. First time building a bike and this kit made it easy.