BMC Fourstroke R 01 ONE carbon / firestorm 2025-2026

BMC Fourstroke R 01 ONE XX SL Eagle AXS 12-speed carbon / firestorm 2025-2026 carbon mountain bike

The BMC Fourstroke R 01 ONE carbon / firestorm 2025-2026 has a full suspension frame with 120 mm of APS travel and an integrated Autodrop seatpost. Equipped with the best components: Öhlins suspension, SRAM XX SL Eagle drivetrain and DT Swiss XRC 1200 wheels, it combines performance and technology for demanding riders.

Frame

Fourstroke R 01 in premium carbon with Autodrop technology | APS suspension system | 120 mm of travel | Full internal cable routing | Post mount disc brake | Boost 12 x 148 mm thru axle.

Fork

Öhlins RXC34 carbon | 120 mm travel | DT Swiss remote lockout.

Front suspension

Öhlins RXC34 carbon | 120 mm travel | DT Swiss remote lockout.

Rear suspension

Öhlins TXC2 Air with DT Swiss remote lock.

Remote control blocking

DT Swiss Remote Lockout.

Hanger

ICS Carbon XC | One-piece cockpit made entirely of carbon.

Seat post

BMC Autodrop integrated seatpost with 80mm of travel.

Saddle

Prologo Dimension NDR Nack.

Crankset

SRAM XX SL Eagle carbon.

Plateau

34 teeth.

Power sensor

SRAM XX SL Power Meter.

Cassette

SRAM XX SL Eagle Transmission XS-1299.

Cassette teeth

10-52 teeth.

Chain

SRAM XX SL Eagle Transmission Flattop.

Rear derailleur

SRAM XX SL Eagle Transmission.

Gear control

SRAM AXS Pod Controller.

Transmission

1 x 12 speeds.

Bottom bracket

PF92 Bottom Bracket.

Brake levers and calipers

SRAM Motive Ultimate.

Discs

SRAM HS2 | Centerlock fastening.

Disc diameter (front/rear)

180 / 180 mm.

Rims

DT Swiss XRC 1200 | Internal width 30 mm.

Hubs (front / rear)

DT Swiss .

Tires

Vittoria Mezcal | Tubeless | Section 2.35".

Tubeless configuration

Tubeless ready rims | Tube type tires.

Maximum tire clearance

62 mm.

Weight without pedals

11.0 kg | Size M with all accessories.

ASTM Classification

Level 3.

Maximum system weight

110 kg.

Please note that the specifications may be changed without prior notice by the manufacturer, based on the availability of components and other factors.