2021 · BMCTwostroke AL ONE

2021 BMC Twostroke AL ONE

A 29″ aluminum frame hardtail crosscountry bike with upper mid-range components. Compare the full range

MSRP$1,599
Weight28.8 lbs  
SuspensionHardtail
Travel100mm front
FrameAluminum
ForkRockShox Recon Silver RL
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetNX Eagle, SX Eagle
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs. Learn more →

Terrain
easyextreme
Handling
nimblestable
Twostroke AL ONE
Other Crosscountry bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills. Learn more

Lowest gear

used for climbing

25 mph

Twostroke AL ONE

27 mph

Similar Bikes

Highest gear

used for descending and sprinting

Estimated Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more. Learn more →

Spec level →$0$200$400$600$800$1,000$1,200$1,400
This bike
Other crosscountry bikes
Sizing
SM

< 5'8"

MD

5'6" – 6'0"

LG

5'10" – 6'4"

XL

6'2" +

Rider Fit Notes
  • 6'3", size XL, Just right
  • 5'9", size MD, Just right
Reviews
Gran Fondo Magazine
BMC Twostroke 01 ONE mountain bike hardtail in review – better than a gravel bike?

Feb 2022 · Benjamin Topf

A hardtail on test at GRAN FONDO? That's right. We couldn't leave the BMC Twostroke 01 ONE – the pioneer of a new hardtail generation – out of our concept group test of gravel and mountain bikes. Find out how versatile it really is here.

Pros
  • High level of traction, comfort and safety

  • Very good efficiency on rough surfaces

  • Wide gear range and clean look of the SRAM GX Eagle AXS drivetrain

Cons
  • Brake performance and lack of dropper unnecessarily limits range of uses

  • With lots of seat post exposed, the rear bobs excessively in many situations

Read Review

Bikerumor
2021 BMC Twostroke hardtail race mountain bike is stiffer, yet more compliant (and slacker)

Aug 2020

The new BMC carbon hardtails get a much needed modern geo and feature update...could this be a teaser of high end mountain bikes to come?

Read Review

BIKE Magazine
BMC Updates the Twostroke XC Hardtail

Aug 2020

The BMC lineup has been shifting towards XC for the past few years. The longest-travel bike in their catalog (without a motor) is the 120-millimeter Speedfox. But the kind of XC they’re shifting towards is not the XC of 10 years ago. They are front and center on the bandwagon that’s pushing more aggressive geometry…

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Twostroke 01 Premium Aluminium, Hydroformed, Smoothwelded, • Internal Cable Routing, • BSA Threaded Bottom Bracket, • Post Mount Disc

BB StandardBSA, 73mm, Threaded

ColorElectric Red

Fork

Rock Shox Recon RL Remote, 100mm

Bottom Bracket

BSA, 73mm, threaded

Stem

Forged 6061 Alloy

Handlebar

BMC MFB03 750mm

Saddle

Velo VL-1831

Seatpost

No

Groupset
Rear Derailleur

SRAM NX Eagle

Crank

SRAM NX Eagle 32T

Shifters

SRAM SX Eagle

Cassette

SRAM NX Eagle 11-50T

Chain

SRAM SX Eagle

Brakes

Shimano Deore BR-M6100 / Shimano SM-RT54 Rotors (160/160 S-M, 180/160 L-XL)

Wheels
Rims

Alex MD25, 25mm

Front Hub

Shimano HB-MT400-B/FH-MT410-B

Rear Hub

Shimano HB-MT400-B/FH-MT410-B

Tires

Vittoria Barzo 2.25

Rider Notes
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