The BOMBTRACK Tension Frame Fork Set is a performance-oriented cyclocross frameset designed for seasonal durability and low-maintenance operation. It features a lightweight aluminium frame paired with a full carbon fork, optimised geometry, and size-specific wheel standards to ensure consistent ride characteristics across all frame sizes. The system is built around a T47 threaded bottom bracket and thru-axle standards for stiffness and reliability.

• Product: BOMBTRACK Tension Frame Fork Set
• Type: frame and fork set (cyclocross)
• Frame material: 6061-T6 double butted aluminium
• Fork material: full carbon
• Frame construction: TA (thru-axle), rack and mudguard mounts
• Bottom bracket shell: 86.5 mm T47 threaded
• Bottom bracket standard: T47 – 86.5 mm shell width
• Headset: sealed integrated aheadset
• Headset standard (S.H.I.S.): IS42 / 28.6 | IS52 / 40
• Headset crown race angle: 45°
• Fork steerer compatibility: 1.1/2'' – 1.1/8''
• Fork steerer inner diameter: 23.6 mm
• Through axle front: 12 x 100 mm, 1.5 thread pitch
• Through axle rear: 12 x 142 mm, 1.5 thread pitch
• Through axle system: TA front and rear
• Seat clamp: Bombtrack Prime 31.8 mm
• Seat post diameter: 27.2 mm
• Seat clamp diameter: 31.8 mm
• Front derailleur clamp diameter: 31.8 mm
• Frame front derailleur compatibility: yes
• Brake mount front: FM 140 / 160
• Brake mount rear: FM 140 / 160
• Maximum rotor clearance front: 160 mm
• Maximum rotor clearance rear: 160 mm
• Chainring clearance (1x): up to 42T with 45 mm chainline
• Chainring clearance (2x): 50 / 34T with 43.5 mm chainline
• Wheel size (frame-specific): XS–S 650B, M–XL 700C
• Fork max tyre clearance (no mudguard): XS–S 650B x 37C / M–XL 700C x 37C
• Frame max tyre clearance (no mudguard): XS–S 650B x 35C / M–XL 700C x 37C
• Rack mounts: yes
• Mudguard mounts: yes
• Rack option: none specified
• Derailleur hanger: BT-DH-018
• Frame small parts: BT-CR-013
• Through axle front part: BT-TA-F-603
• Through axle rear part: BT-TA-R-601
• Weight (frame): 1580 g (size L, incl. TA and hanger)
• Weight (fork): 610 g (300 mm steerer, incl. TA)
• Maximum rider weight: 120 kg (incl. luggage)
• ASTM riding condition: 2
• Bike trailer compatibility: not approved
• Child seat (seat tube mounted): not approved