Fourstroke 01

FRS

Fox Float DPS Factory Shock
Premium Carbon Frame and Fork
BMC Autodrop Integrated Dropper Seatpost
5,999.00CHF
Other CurrenciesEURO €5499
CHF 5999
USD $5999
CAD C$8399
AUD A$
SCEuro €5799
Fourstroke 01 is an XCO performance bike that exceeds the demands of the world’s top racers. On a mission to set the pace with our unique Autodrop technology and unrivalled APS dual-link suspension with 100mm of front and rear travel, it bests the competition in a Premium Carbon frame. This revolutionized racing machine arrives with integrated protection and is designed around the progressive BWC geometry, now accommodating two water bottles in the front triangle for long-distance missions. Fourstroke 01 FRS VAR1 is your go-to XCO frameset and arrives with Fox Float DPS Factory shock and the BMC Autodrop integrated dropper seatpost.

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Fourstroke 01 is an XCO performance bike that exceeds the demands of the world’s top racers. On a mission to set the pace with our unique Autodrop technology and unrivalled APS dual-link suspension with 100mm of front and rear travel, it bests the competition in a Premium Carbon frame. This revolutionized racing machine arrives with integrated protection and is designed around the progressive BWC geometry, now accommodating two water bottles in the front triangle for long-distance missions. Fourstroke 01 FRS VAR1 is your go-to XCO frameset and arrives with Fox Float DPS Factory shock and the BMC Autodrop integrated dropper seatpost.

Technical Overview

  • Frame

    Fourstroke 01 Premium Carbon with Autodrop Technology • APS Suspension System, 100mm Travel • Fully Guided Internal Cable Routing • PF92 Bottom Bracket • Post Mount Disc • 12x148mm Boost Thru-Axle
  • Rear Shock

    Fox Float DPS Factory, Kashima Coating - DT Swiss Remote Lockout
  • Stem

    BMC MSM01
  • Seatpost

    BMC Autodrop Integrated Dropper Seatpost • 80mm Drop
  • Tire Clearance

    62mm (Measured Width)
  • Weight Limit

    110 Kg
  • ASTM Classification

    Level 3
Size S M L XL
Rider Height CM <172 172-182 180-188 >188
Stack MM 584 592 600 615
Reach MM (reach) 437 457 477 500
Seat Tube MM (st) 420 440 470 510
Top Tube MM (tt) 574 597 621.2 649.23
Head Tube MM (ht) 83.84 93.5 101.25 117.58
Seat Tube Angle (sa) 76.7 76.7 76.7 76.7
Head Angle (ha) 66.5 66.5 66.5 66.5
Rear Center MM (rc) 432 432 432 432
Wheelbase MM (wb) 1139 1171 1188 1218
BB Drop MM (drop) 53 53 53 53
Fork Length MM (fl) 513 513 513 513
Fork Rake MM (fr) 44 44 44 44
Trail MM (trail) 113 113 113 113
Crank Length MM
Stem Length MM 50 60 60 70
Stem Angle -5 -5 -5 -5
Bar Width MM 760 760 760 760
Bar Rise MM 4 4 4 4
Backsweep 8 8 8 8
Seatpost Drop MM 80 80 80 80
Standover Height mm 725 725 725 725

Frameset

  • Fourstroke 01 Premium Carbon with Autodrop dropper seatpost, APS suspension system, 100 mm travel

Fourstroke 01 features Autodrop, an automatic dropper seatpost exclusive to Fourstroke 01 (from MY23).*

Technical Details

  • Autodrop seatpost, 80 mm drop
  • Advanced Pivot Suspension system
  • Big Wheel Concept Race geometry
  • Fully guided internal cable routing, including on lower link
  • Chainstay guard, invisible downtube shield, lower link mud protector
  • Integrated lightweight chainguide
  • Integrated fork rotation stopper
  • Metric shock, 190 mm eye to eye length, 45 mm stroke
  • 100 mm fork travel, 44 mm fork offset
  • SRAM UDH Derailleur Hanger (Universal Derailleur Hanger)
  • ASTM level 3

Autodrop Technology

  • Automatic dropper post for XC racing: ultimate integration, featherweight, easy setup and maintenance
  • 80 mm drop
  • 2 positions adjustment
  • 90 mm saddle height adjustment range

Sizes

S, M, L, XL

Frame Weight**

 

Seatpost Weight***

 

Compatibility

Frame, Fork and Seatpost

  • 120 mm max fork travel
  • 1x drivetrain specific
  • PF92 press fit bottom bracket
  • 52 mm boost chainline
  • UDH rear derailleur hanger
  • 2 waterbottle mounts on downtube (medium bottle size, side-entry bottle cage)
  • Autodrop seatpost only

Brakes

  • Post mount, 160 mm (Max 180 mm)

Wheels and Axles

  • 29" x 62 mm tire clearance
  • 12x148 mm boost rear axle

* Notes about proprietary technology

** Weight for the lightest finish, including complete hardware with size M frames

*** Average sample weight (w/out lever)