Technical all rounder
The speedfox is a light and efficient bike with a well balanced suspension offering both climbing performance and downhill capability. It will not let you down, whether on technical trails or fast, rough descents. The speedfox is a reliable and versatile partner for all riding situations.
Specifications
Frame: APS (Rear Travel 120mm) 
Tubing: Alloy Triple Butted, Hydroforming
Size: XS / S / M / L / XL 
Fork: Fox 32 Float CTD O/C Evolution 120mm
Rear Shock: Float CTD Evolution
Gears: 3 x 10
Crankset: Shimano SLX, 42-32-24
Cassette: Shimano SLX 11-36
Front Derailleur: Shimano SLX 
Rear Derailleur: Shimano XT Shadow PLUS
Shifter: Shimano SLX I-Spec
Brakes: Shimano Deore 180mm
Handlebar: Scor MKII Rise Bar
Stem: Easton, EA70
Seatpost: Scor MKII 350mm
Saddle: Selle Royal Seta
Hubs: Shimano
Rims: Alex XD-Comp
Tyres: Schwalbe Rocket Ron Evo 2.25
Colour: white
weight: 12.25 kg
Pedal:
Geometry
Glossary
- s
- Seat tube
- tt
- Top tube
- ht
- Head tube
- ha
- Head tube angle
- sa
- Seat angle
- rc
- Chain tube
| Size | s | tt | ht | stack | reach | ha | sa | rc | drop |
|---|---|---|---|---|---|---|---|---|---|
| XS | 400 | 540 | 110 | 550 | 382 | 68.5 | 74 | 428 | 0 |
| S | 420 | 565 | 125 | 564 | 403 | 68.5 | 74 | 428 | 0 |
| M | 460 | 590 | 135 | 573 | 425 | 68.5 | 74 | 428 | 0 |
| L | 495 | 615 | 160 | 597 | 444 | 68.5 | 74 | 428 | 0 |
| XL | 530 | 640 | 180 | 615 | 463 | 68.5 | 74 | 428 | 0 |
| Rider height | Bar width | Stem extension | Crank length |
|---|---|---|---|
| < 158 | 685 / 680 | 80 | 170 |
| 158 - 168 | 685 / 680 | 80 | 170 |
| 166 - 178 | 685 / 680 | 90 | 175 |
| 175 - 185 | 685 / 680 | 100 | 175 |
| > 185 | 685 / 680 | 100 | 175 |
Reviews
technology
iSC
integrated skeleton concept
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The skeleton concept iSC (integrated Skeleton Concept) has been around since the first legendary promachine. Since then, the concept has spent over a decade being refined and redefined. The idea is saving weight by supporting the top tube at the seat tube and increasing the stiffness where it is needed. In the front triangle of the frame. With the help of the latest in FEM (Finite Elements Method) computer technology, we can tailor each tube junction perfectly to the distribution of forces. Cleverly selected skeletal reinforcement elements at the nodal points and the spread of the top tube distribute the impacting forces perfectly and result in BMC's typical crosslock. distribute the impacting forces perfectly.
APS
advanced pivot system
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The ideal suspension system converts all of a rider's energy into forward propulsion, while at the same time absorbing impacts. Mechanically, these two goals are at odds with one another. But BMC's APS rear suspension satisfies these two goals by carefully calculating the pivot points of the rear suspension so that inertial force generated under acceleration is not misdirected into compressing the shock.
How is this accomplished? With APS the virtual pivot point is positioned so that constant chain tension is maintained for forward acceleration. As such, pedaling forces are used for forward propulsion with no loss of energy transfer in the suspension system. At the same time, the shock system ensures optimum rear wheel traction, guaranteeing that those pedaling forces are not only getting to the rear wheel, but to the ground, as well. The end result is a suspension system that provides extreme power transfer efficiency, uncanny traction, and excellent comfort.
initial load indicator
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Just set the sag adjustment according to the indicator, and go. Trailside adjustments have never been simpler.
triple butted
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Triple-butted tube set made of a 6000 alloy. Triple-butted means that the tube has three different wall thicknesses.
