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fourstroke FS01 29 crosscountry

More than a race bike

 

Endowed with stable geometry, high torsional stiffness and Advanced Pivot System (APS) suspension, the confidence-inspiring fourstroke FS01 is the ultimate race trail whip. It eats up challenging XCO terrain, yet readily covers the marathon distance as well. Any trail, anywhere in the world — don’t ever back down, just ride on.

Specifications

  • Frame Frame: APS (Rear Travel 100mm)
  • Tubing Tubing: Carbon
  • Size Size: S / M / L
  • Fork Fork: Fox 32 Float Remote CTD FIT Factory Kashima 100mm
  • Rear Shock Rear Shock: Fox Float Remote CTD Factory Kashima
  • Gears Gears: 2x11
  • Chainwheel Chainwheel: Shimano XTR FC-M9020 36-26T
  • Cassette Cassette: Shimano XTR CS-M9000 11-40
  • Chain Chain: Shimano XTR CN-HG900
  • Front Derailleur Front Derailleur: Shimano XTR FD-M9020-D
  • Rear Derailleur Rear Derailleur: Shimano XTR RD-M9000-GS
  • Shifter Shifter: Shimano XTR Sl-9000I
  • Brakes Brakes: Shimano XTR BR-M9000 180/180
  • Handlebar Handlebar: BMC MFB01 Carbon
  • Stem Stem: BMC MSM02
  • Seatpost Seatpost: BMC MSP01 Carbon
  • Seat Seat: Fizik Tundra M3
  • Hubs Hubs: BMC MWX01 by DT Swiss, Centerlock
  • Rims Rims: BMC MWX01 Carbon
  • Tyres Tyres: Continental Race King 2.2 Race Sport
  • Colour Colour: Team Red
  • Weight Weight: 10.45 kg

Geometry

size S M L
rider height cm 165 - 174 170 - 182 180 - 195
stack mm 585 595 605
reach mm 412 434 456
seat tube st mm 420 460 510
top tube tt‘ mm 585 610 635
head tube ht mm 90 100 110
seat angle sa ° 73.5 73.5 73.5
head angle ha ° 70 70 70
rear center rc mm 445 445 445
front center fc mm 659 684 709
wheelbase wb mm 1101 1126 1151
bb drop mm 40 40 40
fork length fl mm 506 506 506
crank length mm 170 175 175
stem length mm 70 70 70
stem angle ° 6 6 6
bar width mm 720 720 720
bar rise mm 4 4 4
backsweep ° 9 9 9
upsweep ° 4 4 4
post length mm 350 400 400
stem extension mm 70 70 70

Concept

Lightweight: Though the FS01's optimized carbon fiber design dances within the 2 kg frame weight barrier, its supremely light weight does not detract from the ride quality. BMC's Advanced Pivot System (APS), specifically with our big wheel geometry, provides the perfect balance of comfort, control and efficiency.

Fast: Thanks to the teamelite's Big Wheel Concept (BWC) geometry, the bike feels stable yet nimble, letting you effortlessly charge a line through steep, technical single tracks. For high speeds, the bike's low bottom bracket, long top tube, and relaxed head angle work together to keep the bike stable and its rider confident on the roughest trails.
Frameset
– APS suspension, 100 mm travel
– BWC 29er geometry
– Full carbon frame
– 12×142 mm rear axle
– Frame weight: 2040 g including all hardware
– Hardware includes: rear shock, chain guide, bolts, seat clamp, and rear wheel axle
– Shock dimensions: 200×50 mm

Bottom bracket
– BB90 Shimano press-fit

Integrated chain guide and chain catcher
– Refer to specific manual

Initial load indicator
– Convenient SAG adjustment

Tapered headset
– 1-1/8" to 1-1/2"

Natural-born postmount
– Designed for 160 mm discs
– Maximum 185 mm rotors
– Replaceable threaded inserts

Cable routing
– Continuous cable routing along the down tube
– Internal cable routing for reverb stealth or shock lockout

Frame sizes
– - 3 sizes: S/M/L (please refer to geometry chart for details)

technology

BWC

Big Wheel Concept

Our Big Wheel Concept geometries are dedicated to the 29er wheel size.

Simply incorporating bigger wheels does not by itself make a better bike, and we are convinced that the best bikes are made by taking advantage of large wheels and a deliberate geometry. For BMC, performance is not about the size, it’s about the details.

Agility - Short chain stays and stem combined with a low bottom bracket means the bike in not only efficient but also fun and lively.

Stability - Slacker than usual head angle combined with a long top and wide handlebars help you stay in control through the worst lines.

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.

 

 

Katalog 2015

team clothing

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