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Today’s DealsFourstroke 01 ONE
A 29″ carbon frame full suspension crosscountry bike with ultra high-end components.
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Manufacturer Price
$9,999| Weight | 23.6 lbs |
|---|---|
| Frame | Carbon |
| Suspension | Full, 100 / 100mm |
| Fork | Fox Factory Float 32 |
| Shock | Fox Float DPS Factory |
| Wheels | 29″ Carbon |
| Drivetrain | 1 × 12 Electronic |
| Groupset | XX1 Eagle AXS |
| Brakes | SRAM Level Ultimate Hydraulic Disc |
| Seatpost | Dropper |
< 5'9"
5'7" – 6'0"
5'10" – 6'3"
6'1" +
None yet.
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Summary
The BMC Fourstroke is a lightweight and fast cross-country bike designed primarily for racing, featuring efficient suspension and modern geometry that enhances handling and speed. It excels in flat-out sprints and descents with a stout frame and integrated dropper post, but can feel harsh on rugged climbs and carries a high price tag. While highly capable for competitive riding, it may not offer the comfort or versatility of some trail-oriented bikes.
Lightweight and fast design
Efficient suspension with progressive travel
Stout frame and modern geometry for better handling
Integrated dropper post for racing benefits
Calm and assured descending performance
Harsh climbing on rugged terrain
High price tag
Limited dropper post range
Less grip from tires in wet conditions
Not ideal for technical or comfort-focused riding
The Fourstroke is not meant to be a cloud. It’s meant to be lightning.
If you’re concerned with winning, this is the bike for you. If you’re concerned with value, it is not.
Who doesn’t like riding fast? The Fourstroke offers exceptional speed in every situation backed up with the soothing stability and control from geometry that is a world away from old fashioned XC bikes, plus the integrated dropper is a real highlight and a benefit on rowdy terrain when you’re riding on the limit.Pinkbike
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Jan 2021 · Nic Hall
If you're an XC pinner looking for maximum speed on the climbs, check this BMC Fourstroke out. And see why it's NOT the mountain bike for us.
Climbing Performance
Pure Speed
High-Gloss Paint
Great Spec
Dropper post limited range
Uncomfortable in the air
Not as comfortable descending as similar bikes
High-end price tag

Jun 2019 · David Arthur
Compare to other All Mountain/Enduro/XC . . . .
Very fast and lightweight
Capable geometry
Efficient suspension
High price tag
Integration won’t suit everyone

Jan 2019
Racers only. The Fourstroke is not meant to be a cloud. It's meant to be lightning.

Jan 2019 · Marco Toniolo
BMC presented the new Fourstroke during the MTB World Championships in Lenzerheide. This is the first cross country bike, also used by a leading racing team, with an integrated telescopic seat post. After having been testing this bike for a couple of months, here is our test, both in video and written form. BMC Fourstroke One Details Frame material: carbon fiber Wheel size: 29 “ Sizes available: S, M, L, XL Suspension scheme: APS (Advanced Pivot System) Adjustable geometries: no Front/Rear travel: 100/100 mm Boost Spacing: yes Metric shock spacing: yes (185x50mm), trunnion mount. Tubeless wheels and tires: yes Transmission: 1 × 12 with 34T crown / 175 mm cranks Front derailleur mount: no ISCG mount: no

Oct 2017 · Rob Weaver
It’s eager to get going, and while this isn’t the lightest build on offer, the frame stiffness and composed suspension feel under power mean you’re up to speed in no time. . .
| Frame | Fourstroke 01 Premium Carbon with APS Suspension System, 100mm Travel, • Fully Guided Internal Cable Routing, • PF92 bottom bracket, • Post Mount Disc, • 12x148mm Boost Thru-Axle BB Standard: BB86/BB92, Press Fit Color: Space Blue |
|---|---|
| Fork | Fox Float 32 SC, Factory, FIT4, Kashima, Remote, 100mm Travel: 100mm Spring Type: Air |
| Shock | Fox Float DPS - Factory, Kashima, Evol, Remote Travel: 100mm |
| Bottom Bracket | BB86/BB92, press-fit |
| Stem | BMC MSM01 |
| Handlebar | BMC MFB01 Carbon 760mm |
| Saddle | Fizik Antares R5 |
| Seatpost | BMC RAD, Integrated Dropper Seatpost, • 80mm drop Type: Dropper |
| Rear Derailleur | SRAM XX1 Eagle AXS |
|---|---|
| Crank | SRAM XX1 Eagle AXS 34T |
| Shifters | SRAM XX1 Eagle AXS |
| Cassette | SRAM X01 Eagle 10-52T |
| Chain | SRAM XX1 Eagle |
| Brakes | SRAM Level Ultimate / Centerline Rotors (160/160 S-M, 180/160 L-XL) Type: SRAM Level Ultimate Hydraulic Disc |
| Rims | Mavic Crossmax SL Ultimate, 25mm |
|---|---|
| Front Hub | Mavic Crossmax SX Ultimate |
| Rear Hub | Mavic Crossmax SX Ultimate |
| Tires | Vittoria Barzo 2.25 |
First added February 20
Last updated April 6
Not listed for 1,879 days