Bombtrack Bicycle Company Bombtrack Tension 1

TENSION 1
The Tension 1 is the perfect bike for those wishing to start working their way up the cyclocross ranks. With its competition-ready legal build, our entry-level racer gives you everything you need to start earning those podium places with a competent aluminium frame and lightweight carbon fork. A Sram Apex One groupset with single-chainring 11-speed gearing – though wide for Elite level racing – will leave you enough in reserve lest you stall mid-race or enjoy taking it easy in the off-season.

* Lightweight aluminum frame with heavily hydro formed tube profiles and T47 bottom bracket.
* Size XS and S will come with 650B wheels to ensure proper fit without any compromises in geometry.
* Full carbon fork with through axles and flat mount disc brake.
* Bombtrack Lyer 30 mm aluminium crank with 40 T direct mount chainring.
* Bombtrack ARC disc brake hubs with 12 mm through axles.
* Hydraulic Sram Apex 1 x 11 groupset and brakes with 11 - 42 T cassette.
* Tubeless ready WTB ST i19 rims with tubeless ready Challenge Grifo TLR 700 x 33C tanwall / Donnelly MXP 650 x 33C blackwall tires.
* Rear rack and fender mounts.

Color 1 Matt Rock Grey
Color 2 -
Frame 6061-T6 double butted aluminium, TA, rack / fender mounts, 86.5 mm BB T47 shell
Fork Full carbon, TA, 1.1/2'' - 1.1/8'', fender mounts
Handlebar BOMBTRACK CX-10 drop bar, 31.8 mm, 10° flare
Grips BOMBTRACK COMMAND bar tape
Stem BOMBTRACK ROAM forged aluminium stem, -7°
Headset Sealed integrated aheadset, 1.1/2'' - 1.1/8''
Levers SRAM APEX 1 double tap hydraulic
Shifter SRAM APEX 1 double tap 1 x 11
Brakes SRAM APEX flat mount hydraulic disc brakes with 140 mm rotors
Crankset BOMBTRACK LYER forged aluminium crank, direct mount interface
(SRAM compatible),30 mm spindle
BB BOMBTRACK T47 internal sealed BB for 30 mm spindle
Pedals -
Chain KMC X11 chain, 1/2'' x 11/128'', 114L
Chainring CNC machined aluminium, narrow-wide, 40 T
Cassette SRAM PG-1130 11-speed, 11 - 42 T
Front derailleur -
Rear derailleur SRAM APEX 1, clutch, long cage
Front hub BOMBTRACK ARC sealed hub, 6-bolt disc
Rear hub BOMBTRACK ARC 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 BOMBTRACK DART saddle
Seat post BOMBTRACK BEECH 27.2 mm x 315 mm
Seat clamp BOMBTRACK ORIGIN 31.8 mm
Front tire XS - S VEE TIRE XCX 120 TPI TLR 32-584 /
M - XL CHALLENGE GRIFO TLR 33-622, tubeless ready
Rear tire XS - S VEE TIRE XCX 120 TPI TLR 32-584 /
M - XL CHALLENGE GRIFO TLR 33-622, tubeless ready
Fender -
Rack -
Kickstand -
Light -
Weight 9.4 kg (size M)
Weight frameset 1580 g frame (size L, incl. TA, hanger) / 610 g fork (300 mm steerer, incl. TA)
Maximum rider weight 120 kg incl. luggage
ASTM riding condition 2