Product Details
The BMC Fourstroke 01 ONE is a cross-country performance bike engineered to exceed the demands of the world's top racers. Built around BMC's revolutionary Autodrop technology and unrivaled APS dual-link suspension with 100mm of front and rear travel, this racing machine delivers superior performance in a Premium Carbon frame that consistently outperforms the competition on the most demanding courses.
This revolutionized cross-country powerhouse features BMC's progressive race geometry with an improved 66.5° head angle and extended front-end designed for attacking the steepest and loosest terrain with confidence. The frame accommodates two water bottles in the front triangle for long-distance missions while offering 62mm tire clearance to fit modern 2.4" cross-country tires, maximizing traction and speed across varied terrain conditions.
The Fourstroke 01 ONE introduces groundbreaking innovation with the BMC Autodrop integrated dropper seatpost, the first fully automatic dropper system that provides on-the-fly, squat-free seat height adjustment. This game-changing technology allows riders to optimize positioning instantly on technical cross-country courses without interrupting pedaling rhythm or losing momentum during critical race moments.
Perfect for elite racers and serious cross-country enthusiasts who demand cutting-edge technology and proven performance, this medal-winning machine combines next-level kinematics tuning with best-in-class suspension performance. The result is a versatile marathon machine that delivers full traction, exceptional efficiency, and active suspension response across every terrain type, making it the ultimate secret weapon for competitive cross-country racing.
Key Features
- Frame – Premium Carbon with APS Dual-Link Suspension (100mm Travel)
- Suspension – RockShox SID Ultimate Fork and RockShox SIDLuxe Ultimate Shock
- Drivetrain – SRAM X0 Eagle Transmission
- Wheelset – DT Swiss XRC 1501 with 62mm Tire Clearance
| Category | Specification |
|---|---|
| Frame | Fourstroke 01 Premium Carbon with Autodrop Technology | APS Suspension System | 100mm Travel | Fully Guided Internal Cable Routing | Post Mount Disc | 12 x 148mm Boost Thru-Axle |
| Fork | RockShox SID Ultimate 3P | 110mm Travel |
| Front Suspension | RockShox SID Ultimate |
| Rear Suspension | RockShox SIDLUXE Ultimate |
| Remote Lockout | Full Sprint Lockout |
| Stem | BMC MSM 01 |
| Handlebar | BMC MFB 01 Carbon | 760mm |
| Seatpost | BMC Autodrop Integrated Dropper Seatpost | 80mm Drop |
| Saddle | Prologo Dimension NDR |
| Crankset | SRAM X0 Eagle |
| Chainrings | 34T |
| Cassette | SRAM X0 Eagle Transmission XS-1295 | 10-52T |
| Chain | SRAM XX SL Eagle Transmission Flattop |
| Rear Derailleur | SRAM X0 Eagle Transmission |
| Shifters | SRAM AXS Pod Controller |
| Gears | 1 x 12 |
| Bottom Bracket | PF92 Bottom Bracket |
| Brakes | SRAM Level Ultimate |
| Rotors | SRAM HS2 | 160 / 160 S-M | 180 / 160 L-XL |
| Rims | DT Swiss XRC 1501 | 30mm Inner Width |
| Hubs | DT Swiss 240 Straightpull | Ratchet EXP 36 |
| Tires | Vittoria Mezcal | 2.35" | Tubeless Ready Rims / Tubetype Tires |
| Tire Clearance | 62mm measured tire |
| Weight (w/o pedals) | 11.10kg |
| System Weight Limit | 110kg |
| Size | S | M | L | XL |
|---|---|---|---|---|
| Rider Height (cm) | <172 | 172–182 | 180–188 | >188 |
| Reach (mm) | 437 | 457 | 477 | 500 |
| Stack (mm) | 584 | 592 | 600 | 615 |
| Bar Rise (mm) | 4 | 4 | 4 | 4 |
| Bar Sweep (°) | 8° | 8° | 8° | 8° |
| Bar Width (mm) | 760 | 760 | 760 | 760 |
| BB Drop (mm) | 53 | 53 | 53 | 53 |
| Crank Length (mm) | 165 | 170 | 170 | 175 |
| Fork Length (mm) | 513 | 513 | 513 | 513 |
| Fork Rake (mm) | 44 | 44 | 44 | 44 |
| Front Center (mm) | 714 | 738 | 762 | 791 |
| Head Tube (mm) | 84 | 93 | 101 | 118 |
| Head Tube Angle | 66.75° | 66.75° | 66.75° | 66.75° |
| Rear Center (mm) | 432 | 432 | 432 | 432 |
| Seat Angle | 75.6° | 75.6° | 75.6° | 75.6° |
| Seat Tube (mm) | 420 | 440 | 470 | 490 |
| Seatpost Drop (mm) | 80 | 80 | 80 | 80 |
| Seatpost Length (mm) | 389 | 414 | 414 | 414 |
| Seatpost Offset (mm) | 0 | 0 | 0 | 0 |
| Standover Height (mm) | 725 | 725 | 725 | 765 |
| Stem Angle | -5° | -5° | -5° | -5° |
| Stem Length (mm) | 50 | 60 | 60 | 70 |
| Top Tube (mm) | 574 | 597 | 621 | 649 |
| Trail (mm) | 113 | 113 | 113 | 113 |
| Wheelbase (mm) | 1139 | 1171 | 1188 | 1218 |