2022 BMC

Twostroke AL 24

A 24″ aluminum frame mountain youth bike with mid-range components and hydraulic disc brakes.
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MSRP$759
Weight22.5 lbs  
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels24″ Aluminum
Drivetrain1 × 8
GroupsetX4
BrakesHydraulic Disc
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Insights
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.

Lowest gear

(climbing)

21 mph

Twostroke AL 24

Highest gear

(descending)

Spec Level

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

Reviews
Gran Fondo Magazine
BMC Twostroke 01 ONE mountain bike hardtail in review – better than a gravel bike?

Feb 2022 · By

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.

Highs
  • 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

Lows
  • 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…

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Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Twostroke AL 24" Lightweight Aluminium with Powder Coat Finish, 1 1/8" Head Tube, BSA Threaded Bottom Bracket, 140mm Post Mount, 9X135mm QR

BB StandardBSA, Threaded

ColorsGrey / Black; Red Grey

Fork

Twostroke AL 24" Lightweight Aluminium with Powder Coat Finish, 140mm Post Mount, 9X100mm QR

Bottom Bracket

BSA, threaded

Stem

BMC 40mm Length ± 6 Angle

Handlebar

SDG Slater Handlebar 650mm Wide 20mm Rise 19mm Bar Ends 31.8mm Clamp.

Saddle

SDG Fly Jr

Seatpost

Alloy 27.2mm

TypeRigid

Groupset
Rear Derailleur

SRAM X4 Medium Cage

Crank

Lightweight Forged Alloy Cranks 32T 1x Specific Narrow Wide Chainring 140mm

Shifters

SRAM X4 8Spd Trigger

Cassette

SUNRACE 11-34T

Chain

SRAM 8spd

Brakes

TEKTRO HD-M286 Short Reach Levers 140mm Rotors

TypeHydraulic Disc

Wheels
Rims

DD32

Front Hub

CNC Machined Alloy Hub Body Sealed Bearings Quick Release

Rear Hub

CNC Machined Alloy Hub Body Sealed Bearings Quick Release

Tires

Kenda Booster 24x2.4"

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Last updated September 6
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