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fourstroke FS02 29 XC

Our fourstroke has always been a race bike, built with potential to be a lot more. 29 inch wheels make this latest iteration more capable than ever before.

 

Racers looking for efficiency and responsiveness will not be disappointed, and it is also the perfect tool for all day mountain bikers riding challenging terrain. Uphill or downhill, the fourstroke simply got faster.

Specifications

  • Frame Frame: APS (Rear Travel 100mm)
  • Tubing Tubing: Carbon/Alloy
  • Size Size: S / M / L
  • Fork Fork: Fox 32 Float CTD FIT Performance 100mm w/Remote
  • Rear Shock Rear Shock: Float CTD BV Performance
  • Gears Gears: 2 x 10
  • Chainwheel Chainwheel: Shimano XT 38-24
  • Cassette Cassette: Shimano XT, 11-36
  • Chain Chain:  
  • Front Derailleur Front Derailleur: Shimano XT
  • Rear Derailleur Rear Derailleur: Shimano XT Shadow PLUS
  • Shifter Shifter: Shimano XT I-Spec
  • Brakes Brakes: Shimano XT 180mm
  • Handlebar Handlebar: Scor MKII Flat Top Bar
  • Stem Stem: Easton EA70
  • Seatpost Seatpost: Easton EC70 Zero
  • Seat Seat: Tundra 2 Manganese
  • Hubs Hubs: DT Swiss X1800
  • Rims Rims: DT Swiss X1800
  • Tyres Tyres: Onza Canis ERA 2.25
  • Colour Colour: White
  • Weight Weight: 11.90 kg

Geometry

trailcrew
size S M L S M L
rider height cm 165 - 174 170 - 182 165 - 174 170 - 182 180 - 195
stack mm 585 595 605 592 602 611
reach mm 412 434 456 407 430 452
seat tube st mm 420 460 510 420 460 510
top tube tt‘ mm 585 610 635 585 610 635
head tube ht mm 90 100 110 90 100 110
seat angle sa ° 73.5 73.5 73.5 73 73 73
head angle ha ° 70 70 70 69 69 69
rear center rc mm 445 445 445 445 445 445
bb drop mm 40 40 40 33 33 33

Concept

Fast
The geometry is built around the BWC (Big Wheel Concept). A longer top tube and slacker head angle, in combination with wide handlebars, make the handling stable and comfortable. Short chain stays, low bottom bracket and a short stem complete the concept by keeping the bike lively.

Efficient
The FS02 combines the carbon front triangle from our flagship model with an economical aluminium rear triangle. Being nearly as light as FS01, it provides full fourstroke performance at more affordable price point. Our APS suspension, specially refined for big wheels in conjunction with the BWC, provides the perfect balance of comfort, control and efficiency.

Capable
The combination of big wheels, stable geometry and APS suspension makes the bike capable of overcoming any obstacle. High torsional stiffness improves steering precision and boosts confidence.
1) Frameset
-APS suspension, 100mm travel
-BWC 29er geometry
-12x142mm rear axle
-Frame weight (FS02): 2450gr including all hardware
-Hardware includes: Rear shock, chain guide, bolts, seat clamp, and rear wheel axle.
-Shock dimensions: 200x50mm

2) Bottom bracket – BB90 Shimano pressfit

3) Integrated chainguide and chain catcher – Refer to specific manual

4) Initial load indicator – Convenient SAG adjustment

5) Tapered Headset – 1-1/8” to 1-1/2”

6) Natural born post mount
-Designed for 160mm discs
-Maximum 185mm rotors

7) Cable routing
-Continuous cable routing along the down tube
-Internal cable routing for reverb stealth or shock lockout

Reviews

  • fourstroke FS02 Trailcrew

    fourstroke FS02 Trailcrew

    Bikesport

    Deutschland

    März 2013

    Download PDF

  • fourstroke FS02 trailcrew

    fourstroke FS02 trailcrew

    Vélo Vert

    Françe

    Février 2013

     

    Download PDF

technology

iSC

integrated skeleton concept

BMC has defined its brand name through technical advances.

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

Unsurpassed power transmission, traction control, and comfort.

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.

 

 

System integration

natural born postmount

Brake mount is directly bolted to the rear triangle.

Direct assembly of the brake caliper to the frame with no need for an adapter means improved braking power transfer, especially under demanding conditions.

initial load indicator

Remarkably simple sag adjustment.

Just set the sag adjustment according to the indicator, and go. Trailside adjustments have never been simpler.

Catalog 2014

team clothing

Order online now: Jersey Set of the BMC Racing Team is available for order now from our website.