HOOK EXT C
* Columbus Cromor double butted frame with 86.5 mm wide T47 bottom bracket to increase tire clearance.
* Size XS and S will come with 650B adjusted geometry to ensure proper fit without any compromises in geometry.
* Full carbon tapered fork with triple cage mounts.
* Toptube bag direct mounts, triple cage mount on downtube and seattube for optimized bottle position, bottle cage mounts underneath the downtube and rear rack mounts.
* Front derailleur compatible.
* 12 mm through axles front and rear.
"Based around a lightweight Columbus steel frame and full carbon fork it’s got the performance edge for fast gravel paths."
ColorGlossy Metallic BlueFrameCOLUMBUS CROMOR double butted, TA dropout, rack / fender mounts, 86.5 mm T47 BB shellForkFull carbon, TA, 1.1/2'' - 1.1/8'', fender / triple cage mountsHeadsetSealed external aheadset, 1.1/2'' - 1.1/8''Through axle12 x 100 mm / 12 x 142 mmSeat clampBOMBTRACK ORIGIN 29.8 mmWeight frameset2420 g frame (size M, incl. TA, hanger)
600 g fork (300 mm steerer, incl. TA)Maximum rider weight120 kg incl. luggageASTM riding condition2
BB StandardT47 - 86.5 mm shell widthHeadset Standard (S.H.I.S.)EC34 / 28.6 | EC44 / 40Fork Max Tire Clearance w/o fenderXS - S 650B x 52C / M - XL 700C x 45CFrame Max Tire Clearance w/o fenderXS - S 650B x 42C / M - XL 700C x 42CMaximum chainring clearance 1x40 T with 45 mm chainlineMaximum chainring clearance 2x48 / 32 T with 46.9 mm chainlineSeat Post Diameter27.2 mmSeat clamp diameter29.8 mmBrake mount frontFMBrake mount rearFMMaximum rotor clearance front160 mmMaximum rotor clearance rear160 mmFront through axle12 mm x 100 mm, 1.5 thread pitchRear through axle12 mm x 142 mm, 1.5 thread pitchDerailleur hangerBT-DH-008ISO testing standardRoad