Bombtrack 2021 TENSION 1
€1,999.00 inc. VAT
- * 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.
Introducing the Tension 1
The perfect introduction to cyclocross. With a competition-legal build paired to a light aluminium frame and carbon fork, our entry-level racer provides everything you need to get started. Sram’s Apex 1 groupset supplies hydraulic disc brakes for consistent control in the worst conditions. Helping you always find the right ratio, its single-chainring 11-speed gearing is easy to operate and service. A small concession to those starting out, its wide-ratio cassette prevents stalling if you run out of energy mid-race, while also allowing for greater versatility when not competing.
| 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 disc hub, 12 x 100 mm thru-axle |
| Rear hub | BOMBTRACK ARC sealed hub, 11-speed, 6-bolt disc, 12 x 142 mm thru-axle |
| Front rim | WTB ST i19 double wall, TCS 2.0, 32h |
| Rear rim | WTB ST i19 double wall, TCS 2.0, 32h |
| Saddle | BOMBTRACK COMP saddle |
| Seat post | BOMBTRACK BEECH 27.2 mm x 300 mm |
| Seat clamp | BOMBTRACK ORIGIN 31.8 mm |
| Front tire | XS – S 650B DONNELLY MXP TLR 33-584 / M – XL 700C CHALLENGE GRIFO TLR 33-622, tubeless ready |
| Rear tire | XS – S 650B DONNELLY MXP TLR 33-584 / M – XL 700C CHALLENGE GRIFO TLR 33-622, tubeless ready |
| Fender | – |
| Rack | – |
| 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 |
| BB Standard | T47 – 86.5 mm shell width |
| Headset Standard (S.H.I.S.) | IS42 / 28.6 | IS52 / 40 |
| Fork Max Tire Clearance w/o fender | XS – S 650B x 37C / M – XL 700C x 37C |
| Frame Max Tire Clearance w/o fender | XS – S 650B x 35C / M – XL 700C x 37C |
| Maximum chainring clearance 1x | 42 T with 45 mm chainline |
| Maximum chainring clearance 2x | 50 / 34 T with 43.5 mm chainline |
| Seat Post Diameter | 27.2 mm |
| Seat clamp diameter | 31.8 mm |
| Brake mount front | FM |
| Brake mount rear | FM |
| Maximum rotor clearance front | 160 mm |
| Maximum rotor clearance rear | 160 mm |
| Front through axle | 12 mm x 100 mm, 1.5 TPI |
| Rear through axle | 12 mm x 142 mm, 1.5 TPI |
| Derailleur hanger | BT-DH-018 |
| ISO testing standard | Road |
| Crankarm | XS – S 165 mm / M 170 mm / L – XL 175 mm |
| Q Factor | 152 mm |
| BCD crank | direct mount (Sram compatible) |
| Chainline | 45 mm |
| Spoke length front wheel | tba |
| Spoke length rear wheel | tba |
| 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 |
| 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 | 300 mm |
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