Combining the durability of a steel frame and the versatility wide tyres offer you, the EXT is a fun machine giving you free rein to explore any trail or dirt that you come across. Don’t be caught out with the wrong bike on your next off-road adventure - the Hook EXT has got you covered. Burly Tyres give you piece of mind and a wide gear range will ensure your legs make it up the next climb. What are you waiting for? Adventures await.
Frame | COLUMBUS CROMOR double butted tubing, TA, rack / fender mounts, internal light cable routing, rear light mount, 86.5 mm T47 BB shell |
Fork | Full carbon, TA, 1.1/2'' - 1.1/8'', triple cage mounts (can double as fender mounts),internal hub dynamo cable routing |
Headset | Sealed external aheadset, 1.1/2'' - 1.1/8'' |
Wheels | Hubs: BOMBTRACK TAU sealed hub, 6-bolt disc, Rims: WTB ST Light i25 double wall, TCS 2.0, 32h |
Tyres | WTB RANGER TCS LIGHT / FAST ROLLING 27.5'' x 2.0'', tubeless ready |
Brakes | SRAM RIVAL flat mount hydraulic disc brakes with 160 mm rotors |
Shifters | SRAM RIVAL 1 double tap 1 x 11 |
Derailleurs | SRAM RIVAL 1, clutch, long cage |
Crankset | BOMBTRACK LYER forged aluminium crank, direct mount interface (SRAM compatible),30 mm spindle |
Cassette | SRAM PG-1130 11-speed, 11 - 42 T |
Bottom bracket | BOMBTRACK T47 internal sealed BB for 30 mm spindle |
Handlebar | BOMBTRACK CX-10 drop bar, 31.8 mm, 10° flare |
Stem | BOMBTRACK ROAM forged aluminium stem, -7° |
Seatpost | BOMBTRACK YEW aluminium seatpost, 27.2 mm x 300 mm, Seatpost Clamp: BOMBTRACK ORIGIN forged aluminium seat clamp, 29.8 mm |
Saddle | BOMBTRACK DART saddle |
- Full carbon tapered fork with internal light cable routing, through axles and triple cage mounts.
- Columbus Cromor frame with tapered head tube, through axles, rack and fender mounts and T47 bottom bracket.
- New rear dropout. Same hanger as on the Beyond+.
- New Bombtrack Lyer 30 mm alloy crank with 40t direct mount chainring.
- Hydraulic Sram Rival 1×11 groupset and brakes with 11 – 42t cassette.
- Tubeless ready WTB ST Light i23 front rim, i21 rear rim with tubeless ready WTB Ranger Light / Fast Rolling 27.5’’ x 2.0’’ tyres.
- Top tube bag direct mounts, triple cage mount on down tube and seat tube for optimised bottle position, bottle cage mounts underneath the down tube.
Bike Size | XS | S | M | L | XL |
Wheel size | 27.5'' | 27.5'' | 27.5'' | 27.5'' | 27.5'' |
Seat Tube Length | 460 | 500 | 530 | 570 | 600 |
Horizontal TT length | 519 | 533 | 556 | 570 | 595 |
Seat Angle | 74.5° | 74.5° | 74.0° | 74.0° | 74.0° |
Head Angle | 71.5° | 71.5° | 72.0° | 72.0° | 72.0° |
Headtube Length | 110 | 130 | 150 | 170 | 190 |
BB Drop | 75 | 75 | 70 | 70 | 70 |
Chainstay Length | 425 | 425 | 425 | 425 | 425 |
Fork Offset | 48 | 48 | 48 | 48 | 48 |
Trail | 65 | 65 | 62 | 62 | 62 |
Wheelbase Length | 995 | 1010 | 1025 | 1040 | 1060 |
Standover | 748 | 776 | 803 | 831 | 855 |
Reach | 365 | 374 | 387 | 396 | 409 |
Stack | 554 | 573 | 589 | 608 | 627 |
Front Center | 581 | 596 | 610 | 625 | 645 |
Axle to Crown | 398 | 398 | 398 | 398 | 398 |
Minimum rider height * | 1500 | 1600 | 1700 | 1790 | 1880 |
Maximum rider height * | 1610 | 1710 | 1810 | 1900 | 1990 |
Warranty
Frame: 3 years
Fork: 2 years
Parts, Paint, Decals: 1 year
This warranty is valid to the original purchaser only and not transferable to other persons! Proof of purchase is required to validate protection under this limited warranty.
This warranty does not cover:
1. Normal wear and tear (as with bicycles, riding will cause certain deterioration)
2. Improper assembly (ask your local bike shop for help, if you are not a skilled mechanic)
3. Inappropriate follow-up maintenance (see 2.)
4. Installation of components, parts, or accessories not originally intended for or compatible with the bicycle as sold
5. Damage or failure caused by accident, misuse, abuse, or neglect
6. Labor charges for part replacement or changeover