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| Telaio MTB | Gravel / Bikepacking Ready |
| Ruota | 27.5/29'' |
The Hook 2025 is built for riders who appreciate authenticity in every pedal stroke: the fluid acceleration of a well-crafted steel frame, the poised control over gravel and broken terrain, and that unmistakable Columbus stability when the horizon pulls you further. This is more than a technical instrument — it’s a companion designed to elevate everyday rides and weekend escapes alike, without ever asking you to compromise your style or pace. Bombtrack’s hallmark blend of craftsmanship, precision and thoughtful engineering comes to life in a bike that adapts seamlessly to your route, your rhythm and your ambitions. And if you’d like guidance in understanding whether it aligns with your riding vision, we’re here to offer clear, experienced advice.
For sizing and setup advice: info@bikejamming.it
The Hook 2025 is a dynamic, versatile gravel bike designed to maintain speed on tarmac while providing stability on gravel.
Ideal as a single bike for multiple riding styles and daily or weekend use.
XS–S: 650B
M–XL: 700C
Front fork:
up to 650B × 52C
up to 700C × 45C
Rear frame:
XS–S: up to 650B × 42C
M–XL: up to 700C × 42C
The Hook suits:
Hook EXT: more off-road oriented.
Arise SG: more comfort-focused and practical.
Hook 2025: balanced and sporty.
XS 150–161 cm
S 160–171 cm
M 170–181 cm
L 179–190 cm
XL 188–199 cm
Advice: info@bikejamming.it
Ready for your next gravel ride?
Add the Hook 2025 to your cart or write us at info@bikejamming.it
| Color 1 | Metallic black |
| Color 2 | Metallic red |
| Color 3 | Metallic teal / black fade |
| Frame | Columbus Cromor double butted, TA dropout, rack / fender mounts, ED coated, 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 |
| Handlebar | Bombtrack CX-10 drop bar, 31.8 mm, 10° flare |
| Grips | Bombtrack Escape bar tape |
| Stem | Bombtrack Roam forged aluminium stem, -7° |
| Headset | Sealed external aheadset, 1.1/2'' - 1.1/8'' |
| Levers | Shimano GRX ST-RX400 STI Hydraulic |
| Shifter | Shimano GRX ST-RX400 STI 2 x 10 |
| Brakes | Shimano GRX BR-RX400 hydraulic disc brakes |
| Rotor | Shimano SM-RT66 160 mm rotors |
| Crankset | Shimano GRX FC-RX600-10, 24 mm spindle |
| BB | Bombtrack T47 internal sealed BB for 24 mm spindle |
| Pedals | - |
| Chain | KMC X10 EPT Anti Rust chain, 1/2'' x 11/128'', XS - S 112L, M - XL 114L |
| Chainring | Shimano GRX, 46 T / 30 T |
| Cassette | Shimano CS-HG50 10-speed, 11 - 36 T |
| Front derailleur | Shimano GRX FD-RX400-F |
| Rear derailleur | Shimano GRX RD-RX400, clutch |
| Front hub | Bombtrack Tau sealed hub, 6-bolt disc |
| Rear hub | Bombtrack Tau sealed hub, 11-speed, 6-bolt disc |
| Through axle | 12 x 100 mm / 12 x 142 mm |
| Front rim | WTB ST i19 double wall, TCS 2.0, 32h |
| Rear rim | WTB ST i19 double wall, TCS 2.0, 32h |
| Saddle | Seido Comp saddle |
| Seat post | Bombtrack Beech 27.2 mm x 415 mm size XL; 315 mm size XS - L |
| Seat clamp | Bombtrack Origin 29.8 mm |
| Front tire | XS - S WTB Resolute 650B x 42C / M - XL WTB Venture 700C x 40C, tubeless ready |
| Rear tire | XS - S WTB Resolute 650B x 42C / M - XL WTB Venture 700C x 40C, tubeless ready |
| Fender | - |
| Rack | - |
| Kickstand | - |
| Light | - |
| Weight | 11.1 kg (size M) |
| Weight frameset | 2420 g frame (size M, incl. TA, hanger) / 600 g fork (300 mm steerer, incl. TA) |
| Maximum rider weight | 120 kg incl. luggage |
| ASTM riding condition | 2 |
Final product may vary in appearance, finish and minor details.
| BB standard | T47 - 86.5 mm shell width |
| Headset standard (S.H.I.S.) | EC34 / 28.6 | EC44 / 40 |
| Headset crown race angle | 36° |
| Fork steerer inner diameter | 23.6 mm |
| Fork max tire clearance w/o fender | 650B x 52C / 700C x 45C |
| Frame max tire clearance w/o fender | XS - S 650B x 42C / M - XL 700C x 42C |
| Maximum chainring clearance 1x | 40 T with 45 mm chainline |
| Maximum chainring clearance 2x | 48 / 32 T with 46.9 mm chainline |
| Seat post diameter | 27.2 mm |
| Seat clamp diameter | 29.8 mm |
| Front derailleur clamp diameter | 28.6 mm |
| Frame front derailleur compatible | yes |
| Brake mount front | FM 140 / 160 |
| Brake mount rear | FM 140 / 160 |
| Frame thickness rear brake mount | 10 mm |
| Maximum rotor clearance front | 160 mm |
| Maximum rotor clearance rear | 160 mm |
| Front through axle | 12 mm x 100 mm, 1.5 thread pitch |
| Rear through axle | 12 mm x 142 mm, 1.5 thread pitch |
| ISO testing standard | Road |
| Crankarm | XS 165 mm / S - M 170 mm / L - XL 175 mm |
| Q Factor | 151 mm |
| BCD crank | 110 mm / 80 mm, asymmetric Shimano 4 bolts |
| Chainring offset | 0 mm |
| Chainline | 47 mm |
| Spoke length front wheel | XS - S 273, 275mm / M - XL 292 mm, 293 mm |
| Spoke length rear wheel | XS - S 275, 273mm / M - XL 293 mm, 291 mm |
| Spoke count (front / rear) | 32 / 32 |
| ERD | XS - S 570 mm / M - XL 604 mm |
| Front hub PCD | 58 mm |
| Rear hub PCD | 58 mm |
| Front hub flange distance / offset | 56.5 mm center to center / 6.6 mm |
| Rear hub flange distance / offset | 51 mm center to center / 8.8 mm |
| Stem length | XS - S 80 mm / M 90 mm / L - XL 100 mm |
| Stem angle | -7° |
| Headset spacers | 1 x 10 mm, 2 x 5 mm |
| Seat post offset | 24 mm |
| Seat post length | size XL 415 mm; size XS - L 315 mm |
| Bike trailer | approved |
| Seat tube mounted child seat | approved |
| Derailleur hanger | BT-DH-008 |
| Frame small parts | BT-CR-007 |
| Hub end caps front | BT-HC-014 |
| Hub end caps rear | BT-HC-017 |
| Cassette body | BT-CB-006 |
| Crankarm bolt | - |
| Through axle front | BT-TA-F-601 |
| Through axle rear | BT-TA-R-602 |
| Bike Size | XS | S | M | L | XL |
| Wheel size | 650B | 650B | 700C | 700C | 700C |
| Seat Tube Length | 460 | 490 | 525 | 545 | 565 |
| Horizontal TT length | 509 | 523 | 541 | 563 | 580 |
| Seat Angle | 73.6° | 73.6° | 73.6° | 73.1° | 73.1° |
| Head Angle | 70.6° | 71.1° | 71.6° | 71.6° | 71.6° |
| Headtube Length | 100 | 110 | 130 | 150 | 170 |
| BB Drop | 54 | 54 | 64 | 64 | 64 |
| Chainstay Length | 410 | 410 | 425 | 425 | 425 |
| Fork Offset | 50 | 50 | 50 | 50 | 50 |
| Trail | 65 | 62 | 65 | 65 | 65 |
| Wheelbase Length | 979 | 989 | 1014 | 1031 | 1049 |
| Standover | 732 | 752 | 803 | 821 | 841 |
| Reach | 355 | 366 | 375 | 386 | 397 |
| Stack | 522 | 534 | 565 | 584 | 603 |
| Front Center | 576 | 586 | 597 | 615 | 632 |
| Axle to Crown | 400 | 400 | 400 | 400 | 400 |
| Minimum rider height ¹ | 1500 | 1600 | 1700 | 1790 | 1880 |
| Maximum rider height ¹ | 1610 | 1710 | 1810 | 1900 | 1990 |
¹ Size recommendations generally represent a rough guideline for quickly narrowing down the sizes from which to choose based on the body height. Bike fitting is a complex topic and other measurements and factors have to be accounted for as well. Since no two human bodys are exactly the same it is not possible to give a 100% correct advice for everyone. The best way to work out the correct size is to consult your Bombtrack dealer (info@bikejamming.it) or a professional bike fitter and have them determine the needed size.
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