 
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 -
Fork
Rock Shox SID Ultimate - TwistLoc Lockout -
Rear Shock
Rock Shox SIDLUXE Ultimate - TwistLoc Lockout -
Gears
1x12 -
Chainwheel
SRAM X01 Eagle Carbon 34T -
Cassette
SRAM X01 XG-1295 Eagle 10-52T -
Chain
SRAM X01 Eagle -
Rear Derailleur
SRAM X01 AXS Eagle -
Shifters
SRAM AXS Controller -
Brakes
SRAM Level Ultimate | SRAM HS2 (160/160 S-M. 180/160 L-XL) -
Handlebar
BMC MFB01 Carbon 760mm -
Stem
BMC MSM01 -
Seatpost
BMC Autodrop Integrated Dropper Seatpost
80mm Drop -
Saddle
Prologo Dimension NDR STN -
Hubs
DT Swiss 240 Straightpull. Ratchet EXP 36 -
Rims
DT Swiss XRC 1501 Wheelset. 30mm Inner Width -
Tires
Vittoria Mezcal 2.35" -
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 | 165 | 170 | 170 | 175 |
| 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)