Pre-order now to enjoy $100 off.
In-stock from JAN (Turquoise) or FEB (Green) 2023.

Twostroke AL 20
A lightweight aluminium frame, with a premium durable powder coating and a dedicated geometry to smaller riders. Featuring 20” wheels, an 8-speed SRAM groupset and TEKTRO brakes, with tailored ergonomics for a confidence inspired ride. Simple. Functional. Fun.
OVERVIEW
Wide Range SRAM 1x8 Drivetrain, Ergonomic SDG Cockpit and Saddle
High-volume Kenda Booster 20x2.4” tires

LIGHTWEIGHT FRAME
Double butted tubes for a lightweight frame with a distinctive and premium look.
TAILORED ERGONOMICS
Bars, levers, cranks and saddle are tailored for the ergonomics of young riders for a comfortable and custom-made ride.
DEDICATED GEOMETRY
Inspired by our MTB’s and adapted to smaller riders for intuitive and reliable riding.
POWDER COATING FINISH
A durable and ecological solution to withstand years of daily use.
CONTROL AND SAFETY
Hydraulic brakes and high volume tires provide control and safety on various surfaces with low rolling resistance.
Specifications
Model: | BMC Twostroke AL 20 |
Frame: | Twostroke AL 20" Lightweight Aluminium with Powder Coat Finish 1 1/8" Head Tube BSA Threaded Bottom Bracket 140mm Post Mount 9X135mm QR |
Fork: | Twostroke AL 20" Lightweight Aluminium with Powder Coat Finish 140mm Post Mount 9X100mm QR |
Drive Train: | SRAM X4 1x8 Speed |
Chainwheel: | Lightweight Forged Alloy Cranks, 32T 1x Specific Narrow Wide chainring, 127mm |
Shifter: | SRAM X4 8-Speed Trigger Shifter |
Cassette: | 11-34T Sunrace |
Brakes: | Tektro HD-M286, 140/140mm |
Handlebar: | SDG Slater Handlebar, 650mm wide, 20mm rise, 19mm bar ends, 31.8mm clamp. |
Stem: | BMC 35 mm Length - ± 6 Angle |
Seatpost: | Alloy 27.2mm |
Saddle: |
SDG Fly Jr |
Hubs: | CNC Machined Alloy Hub Body, Sealed Bearings, Quick Release |
Rims: | DD32 |
Tires: | Kenda Booster 20x2.4" |
Weight: |