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Allied BC40 Framekit
- Carbon frame
- 120mm rear travel
- Spec to suit
RACE-DAY LIGHT, PLAY-DATE READY
Inspired by the rocky surfaces, dynamic corners, and punchy climbs of our legendary Back 40 trail, BC40 is a second-to-none, modern XC racing bike with legs to take on much bigger trails. Its lightweight, high-performance carbon frame and progressive geometry deliver fast accelerations and race-day sharpness. Its World Cup talent extends to the 120mm suspension travel that also sets it up as a do-it-all weekend trail sled, delivering uncanny levels of control and confidence beyond its category.

| Fork | 120mm / 530 Axle to Crown |
| Front derailleur | - |
| Rear derailleur | UDH Compatible |
| Shift levers | - |
| Cassette | - |
| Chain | - |
| Crankset | Boost Chainline |
| Bottom bracket | 73mm Threaded |
| Brakes | Post Mount 160 |
| Handlebar | - |
| Handlebar tape | - |
| Stem | - |
| Saddle | - |
| Seatpost | 31.6 or 30.9 |
| Wheelset | - |
| Tires | 29x2.4 max |
Geometry
For optimal performance and control on fast and technical tracks, BC40 uses a slack head tube angle and a long front-to-center measurement. The result is geometry that positions the rider further behind the front wheel for world-class ride quality and predictable handling, no matter how hard you push it.

All units are in Millimeters or Degrees
| SM | MD | LG | XL | |
|---|---|---|---|---|
| a Stack | 598 | 609 | 622 | 633 |
| b Reach | 420 | 445 | 475 | 501 |
| c Effective top tube | 569 | 596 | 630 | 659 |
| d Seat tube length | 395 | 420 | 450 | 500 |
| e Head tube length | 95 | 105 | 120 | 135 |
| f Head tube angle | 66.5° | 66.5° | 66.5° | 66.5° |
| g Seat tube angle | 76° | 76° | 76° | 76° |
| h Bottom bracket drop | 40 | 40 | 40 | 40 |
| i Chainstay length | 435 | 435 | 435 | 435 |
| k Wheelbase | 1145 | 1174 | 1210 | 1241 |
| m Fork rake | 44 | 44 | 44 | 44 |
| n Front center | 710 | 739 | 778 | 806 |
| o Wheel size | 29 | 29 | 29 | 29 |
- Carbon frame
- 120mm rear travel
- Spec to suit
RACE-DAY LIGHT, PLAY-DATE READY
Inspired by the rocky surfaces, dynamic corners, and punchy climbs of our legendary Back 40 trail, BC40 is a second-to-none, modern XC racing bike with legs to take on much bigger trails. Its lightweight, high-performance carbon frame and progressive geometry deliver fast accelerations and race-day sharpness. Its World Cup talent extends to the 120mm suspension travel that also sets it up as a do-it-all weekend trail sled, delivering uncanny levels of control and confidence beyond its category.

| Fork | 120mm / 530 Axle to Crown |
| Front derailleur | - |
| Rear derailleur | UDH Compatible |
| Shift levers | - |
| Cassette | - |
| Chain | - |
| Crankset | Boost Chainline |
| Bottom bracket | 73mm Threaded |
| Brakes | Post Mount 160 |
| Handlebar | - |
| Handlebar tape | - |
| Stem | - |
| Saddle | - |
| Seatpost | 31.6 or 30.9 |
| Wheelset | - |
| Tires | 29x2.4 max |
Geometry
For optimal performance and control on fast and technical tracks, BC40 uses a slack head tube angle and a long front-to-center measurement. The result is geometry that positions the rider further behind the front wheel for world-class ride quality and predictable handling, no matter how hard you push it.

All units are in Millimeters or Degrees
| SM | MD | LG | XL | |
|---|---|---|---|---|
| a Stack | 598 | 609 | 622 | 633 |
| b Reach | 420 | 445 | 475 | 501 |
| c Effective top tube | 569 | 596 | 630 | 659 |
| d Seat tube length | 395 | 420 | 450 | 500 |
| e Head tube length | 95 | 105 | 120 | 135 |
| f Head tube angle | 66.5° | 66.5° | 66.5° | 66.5° |
| g Seat tube angle | 76° | 76° | 76° | 76° |
| h Bottom bracket drop | 40 | 40 | 40 | 40 |
| i Chainstay length | 435 | 435 | 435 | 435 |
| k Wheelbase | 1145 | 1174 | 1210 | 1241 |
| m Fork rake | 44 | 44 | 44 | 44 |
| n Front center | 710 | 739 | 778 | 806 |
| o Wheel size | 29 | 29 | 29 | 29 |