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BMC Twostroke AL 20

Last known price
$739
Suspension
Rigid
Wheels
20″
Drivetrain
1 × 8 32t / 11–34t
Gear range
309%
Weight
9.2 kg 20.3 lb · Reference configuration not specified
Frame
Aluminum
Brakes
Hydraulic disc

Not published by the manufacturer

  • Sizes and geometry

Components

9 of 17 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part
  • Frame

    Twostroke AL 20" Lightweight Aluminium with Powder Coat Finish, 1 1/8" Head Tube, BSA Threaded Bottom Bracket, 140mm Post Mount, 9X135mm QR Not identified

Suspension

1 part
  • Fork

    Twostroke AL 20" Lightweight Aluminium with Powder Coat Finish, 140mm Post Mount, 9X100mm QR Not identified

Specifications

Frame and fork

Intended fit
  • Unisex
Frame material
  • Aluminum
Fork material
  • Aluminum
Bicycle weight
  • 9.2 kg
  • 20.3 lb

Suspension

Suspension configuration
  • Rigid

Drivetrain

Derived by Bikelake
Front chainrings
  • 1
Smallest chainring
  • 32
Largest chainring
  • 32
Rear sprockets
  • 8
Smallest sprocket
  • 11
Largest sprocket
  • 34
Lowest gear
  • 18.8 in
Highest gear
  • 58.2 in

Technical analysis

3 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Lowest gear

18.8 gear inches

This value is within the central range for this class.

Cohort
Youth / Mountain youth Model year: 2022
Sample
295 bicycles with this information
Coverage
72.1% of the class

Highest gear

58.2 gear inches

This value is within the central range for this class.

Cohort
Youth / Mountain youth Model year: 2022
Sample
295 bicycles with this information
Coverage
72.1% of the class

Shifting

Mechanical

16 of 409 bicycles with this information use electronic shifting.

Cohort
Youth / Mountain youth Model year: 2022
Sample
409 bicycles with this information
Coverage
100.0% of the class

Gearing

Estimated speeds at 80 rpm

This bicycle

Lowest gear
7.2 km/h
Highest gear
22.3 km/h

Total gear range 309%

Pedaling rhythm
80rpm
40
60
80
100
120

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2022 builds

Differences across 2022 builds
Specification This bicycle BMC Twostroke AL 20 BMC Twostroke 01 Five BMC Twostroke 01 Four BMC Twostroke 01 ONE BMC Twostroke 01 Three BMC Twostroke 01 TWO
Frame
Frame material Aluminum Carbon Carbon Carbon Carbon Carbon
Fork material Aluminum Not informed Not informed Not informed Not informed Not informed
Bicycle weight 9.2 kg Not informed Not informed 9.83 kg 11.7 kg 9.95 kg
Weight limit Not informed 110 kg 110 kg 110 kg 110 kg 110 kg
Suspension
Suspension configuration Rigid Hardtail Hardtail Hardtail Hardtail Hardtail
Drivetrain
Smallest chainring 32 32 34 34 34 34
Largest chainring 32 32 34 34 34 34
Rear sprockets 8 12 12 12 12 12
Smallest sprocket 11 10 11 10 10 10
Largest sprocket 34 51 50 52 52 52
Lowest gear 18.8 in 18.2 in 19.7 in 19.0 in 19.0 in 19.0 in
Highest gear 58.2 in 92.8 in 89.6 in 98.6 in 98.6 in 98.6 in
Cockpit
Shifting Mechanical Mechanical Mechanical Electronic Mechanical Mechanical
Other specifications
Bottom bracket standard BSA BB86/BB92 BB86/BB92 BB86/BB92 BB86/BB92 BB86/BB92
Suspension Rigid Hardtail Hardtail Hardtail Hardtail Hardtail
Tire width 2.4″ 2.25″ 2.25″ 2.25″ 2.25″ 2.25″
Travel Configuration: RigidFront: Additional specification: Not available: YesRear: Additional specification: Not available: Yes Configuration: HardtailFront: Additional specification: Not available: NoRear: Additional specification: Not available: Yes Configuration: HardtailFront: Additional specification: Not available: NoRear: Additional specification: Not available: Yes Configuration: HardtailFront: Additional specification: Not available: NoRear: Additional specification: Not available: Yes Configuration: HardtailFront: Additional specification: Not available: NoRear: Additional specification: Not available: Yes Configuration: HardtailFront: Additional specification: Not available: NoRear: Additional specification: Not available: Yes
Wheel size 20″ 29″ 29″ 29″ 29″ 29″
Fork spring Not informed Coil Not informed Not informed Air Not informed

No exact Twostroke AL 20 publication is available for 2021.

Other models in this family

13 models

Published versions from the same family and model year.

BMC Twostroke AL 20, by BMC

This bicycle

Mountain youth

Twostroke AL 20

  • Weight: 9.2 kg
  • Suspension: Rigid
BMC Twostroke 01 Five, by BMC

Cross-country

Twostroke 01 Five

Mountain / Cross-country

  • Suspension: Hardtail
  • Wheel size: 29″
BMC Twostroke 01 Four, by BMC

Cross-country

Twostroke 01 Four

Mountain / Cross-country

  • Suspension: Hardtail
  • Wheel size: 29″
BMC Twostroke 01 ONE, by BMC

Cross-country

Twostroke 01 ONE

Mountain / Cross-country

  • Weight: 9.8 kg
  • Suspension: Hardtail
  • Wheel size: 29″
BMC Twostroke 01 Three, by BMC

Cross-country

Twostroke 01 Three

Mountain / Cross-country

  • Weight: 11.7 kg
  • Suspension: Hardtail
  • Wheel size: 29″
BMC Twostroke 01 TWO, by BMC

Cross-country

Twostroke 01 TWO

Mountain / Cross-country

  • Weight: 10.0 kg
  • Suspension: Hardtail
  • Wheel size: 29″
BMC Twostroke AL 24, by BMC

Mountain youth

Twostroke AL 24

Youth / Mountain youth

  • Weight: 10.2 kg
  • Suspension: Rigid
BMC Twostroke AL Five, by BMC

Cross-country

Twostroke AL Five

Mountain / Cross-country

  • Weight: 13.7 kg
  • Suspension: Hardtail
  • Wheel size: 29″
BMC Twostroke AL Four, by BMC

Cross-country

Twostroke AL Four

Mountain / Cross-country

  • Weight: 13.9 kg
  • Suspension: Hardtail
  • Wheel size: 29″
BMC Twostroke AL ONE, by BMC

Cross-country

Twostroke AL ONE

Mountain / Cross-country

  • Weight: 13.1 kg
  • Suspension: Hardtail
  • Wheel size: 29″
BMC Twostroke AL SIX, by BMC

Cross-country

Twostroke AL SIX

Mountain / Cross-country

  • Weight: 13.5 kg
  • Suspension: Hardtail
  • Wheel size: 29″
BMC Twostroke AL TWO, by BMC

Cross-country

Twostroke AL TWO

Mountain / Cross-country

  • Suspension: Hardtail
  • Wheel size: 29″

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