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The Bombtrack Hook EXT C is a carbon gravel bike with a Toray T800 carbon frame, Seido MGV full carbon fork, SRAM Rival 1x11 hydraulic groupset and Hunt 4 Season Gravel Disc wheels.
| Frame | Toray T800 carbon blend, TA, rack / mudguard mounts, internal hub dynamo cable routing, 85.5 mm T47 BB shell, UDH derailleur hanger, optional full internal cable routing |
| Fork | Seido MGV full carbon, TA, 1.1/2'' - 1.1/8'', mudguard / triple cage mounts, 180 mm max rotor size, lowrider rack compatible, internal hub dynamo cable routing |
| Handlebar | Seido Tackle drop bar, 31.8 mm, 16° flare |
| Grips | Bombtrack Escape bar tape |
| Stem | Seido Scatter forged aluminium stem, -7° |
| Headset | Sealed integrated aheadset, 1.1/2'' - 1.1/8'' |
| Levers | SRAM Rival 1 double tap hydraulic |
| Shifter | SRAM Rival 1 double tap 1 x 11 |
| Brakes | SRAM Rival flat mount hydraulic disc brakes with 160 mm rotors |
| Rotor | SRAM Centerline 180 mm front and 160 mm rear rotor |
| Crankset | Bombtrack Lyer forged aluminium crank, direct mount interface (SRAM compatible), 30 mm spindle |
| BB | Bombtrack T47 internal sealed BB for 30 mm spindle |
| Chain | KMC X11 EPT Anti Rust chain, 1/2'' x 11/128'', 114L |
| Chainring | CNC machined aluminium, narrow-wide, 38 T |
| Cassette | SRAM XG-1150 11-speed, 10 - 42 T |
| Rear derailleur | SRAM Rival 1, clutch, long cage |
| Front hub | Hunt 4 Season Gravel Disc sealed hub, centerlock disc |
| Rear hub | Hunt 4 Season Gravel Disc sealed hub, centerlock disc, XD cassette body |
| Through axle | 12 x 100 mm / 12 x 142 mm |
| Front rim | Hunt 4 Season Gravel Disc double wall asymmetric rim, TLC, i21, 28h |
| Rear rim | Hunt 4 Season Gravel Disc double wall asymmetric rim, TLC, i21, 28h |
| Saddle | Bombtrack Dart saddle |
| Seat post | Seido Yew aluminium seatpost, 27.2 mm x 350 mm |
| Seat clamp | Bombtrack Prime 31.8 mm |
| Front tyre | WTB Venture TCS Light 700C x 40C, tubeless ready |
| Rear tyre | WTB Venture TCS Light 700C x 40C, tubeless ready |
| Weight | 9.5 kg (size M) |
| Weight frameset | 1380 g frame (size M, incl. TA, hanger) / 550 g fork (300 mm steerer, incl. TA) |
| Maximum rider weight | 115 kg incl. luggage |
| ASTM riding condition | 2 |
Need help choosing a BMX bike or finding the right BMX parts? You’re in the right place.
Visit our Waller BMX Guide for helpful advice on bikes, parts, sizing and compatibility. If you’re still unsure, call or email Waller BMX, or click the chat icon to speak to our knowledgeable BMX team.
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For extra information about ordering to outside the UK see here.
Save up to 42% on a new complete bike or parts! We accept major UK Cycle to Work vouchers, including Green Commute Initiative, Cyclescheme, and more.
How to order:
1. Select your bike or build.
2. Get a voucher/certificate from your employer or scheme provider.
3. Contact us or select Cycle to Work at checkout to complete your purchase.
Got questions about using your voucher? Drop us an email or message our live chat!
WALLER BMX · SHEFFIELD · EST. 2012
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