Full assembly offered
For a better experience of use, Alltricks makes a 100% assembly, also checking the safety points of this bike. The bike will be shipped within 48 hours and delivered within the indicative time of 8 working days.
Note : Please note that specifications are subject to change without notice, based on component availability and other factors.
Freedom to explore. Twostroke AL Kids‘ mission is to empower young riders to go out and escape, share experiences and create incredible memories that they will look back on forever.
Designed to let young riders shred with confidence, be comfortable and in total control. The BMC Twostroke AL 20 fits kids from 5 to 8yrs, so they can grow with their bikes. Lightweight, dependable and fun!
Main features:
- Lightweight Aluminium frame and fork.
- Sram X4 1×8-speed drivetrain.
- Tektro HD-M286 hydraulic disc brakes, 140/140 mm.
Features:
| Frame | Aluminium: Twostroke AL 20″ Lightweight Aluminium with Powder Coat Finish, 1 1/8″ Head Tube, BSA Threaded Bottom Bracket, 140 mm Post Mount, 9×135 mm QR |
| Fork | Aluminium: Twostroke AL 20″ Lightweight Aluminium with Powder Coat Finish, 140 mm Post Mount, 9×100 mm QR |
| Shifters | Sram X4 Trigger, 1×8-speed |
| Rear Derailleur | Sram X4, Medium Cage, 8-speed |
| Cassette | Sunrace, 11-34T |
| Chain | Sram |
| Crankset | Lightweight Forged Alloy Cranks, 32T, 1x Specific Narrow Wide chainring, 127 mm |
| Bottom Bracket | BSA Threaded BB |
| Brakes | Tektro HD-M286, Hydr. Disc Brake, (140/140) rotors, short reach levers |
| Wheelset | Rims: DD32 / Hubs: CNC Machined Alloy Hub Body, Sealed Bearings, Quick Release |
| Tires | Kenda Booster, 20×2.4″ |
| Handlebar | SDG Slater Handlebar, 650 mm wide, 20 mm rise, 19 mm bar ends, 31.8 mm clamp |
| Stem | BMC, 40 mm length, +/- 6° |
| Saddle | SDG Fly Jr |
| Seatpost | Alloy 27.2 mm |
| Weight | 9.2 kg |
| Maximum Weight | 60 kg: the system’s maximum weight includes the bike, cyclist and equipment |
| Color | Green |
Geometries:

| Wheel Size (inches) | 20 |
| Rider Height (cm) | 110 – 135 |
| Seat Tube (mm) | 275 |
| Top Tube (mm) | 431 |
| Chain Stays (mm) | 342 |
| Head Tube Length (mm) | 105 |
| Head Tube Angle (°) | 68 |
| Seat Tube Angle (°) | 73 |
| Wheelbase (mm) | 833 |
| Stack (mm) | 412 |
| Reach (mm) | 305 |
MORE INFORMATION
| Frame | Aluminium: Twostroke AL 20″ Lightweight Aluminium with Powder Coat Finish, 1 1/8″ Head Tube, BSA Threaded Bottom Bracket, 140 mm Post Mount, 9×135 mm QR |
| Fork | Aluminium: Twostroke AL 20″ Lightweight Aluminium with Powder Coat Finish, 140 mm Post Mount, 9×100 mm QR |
| Shifters | Sram X4 Trigger, 1×8-speed |
| Rear Derailleur | Sram X4, Medium Cage, 8-speed |
| Cassette | Sunrace, 11-34T |
| Chain | Sram |
| Crankset | Lightweight Forged Alloy Cranks, 32T, 1x Specific Narrow Wide chainring, 127 mm |
| Bottom Bracket | BSA Threaded BB |
| Brakes | Tektro HD-M286, Hydr. Disc Brake, (140/140) rotors, short reach levers |
| Wheelset | Rims: DD32 / Hubs: CNC Machined Alloy Hub Body, Sealed Bearings, Quick Release |
| Tires | Kenda Booster, 20×2.4″ |
| Handlebar | SDG Slater Handlebar, 650 mm wide, 20 mm rise, 19 mm bar ends, 31.8 mm clamp |
| Stem | BMC, 40 mm length, +/- 6° |
| Saddle | SDG Fly Jr |
| Seatpost | Alloy 27.2 mm |
| Weight | 9.2 kg |
| Maximum Weight | 60 kg: the system’s maximum weight includes the bike, cyclist and equipment |
| Color | Green |
| Wheel Size (inches) | 20 |
| Rider Height (cm) | 110 – 135 |
| Seat Tube (mm) | 275 |
| Top Tube (mm) | 431 |
| Chain Stays (mm) | 342 |
| Head Tube Length (mm) | 105 |
| Head Tube Angle (°) | 68 |
| Seat Tube Angle (°) | 73 |
| Wheelbase (mm) | 833 |
| Stack (mm) | 412 |
| Reach (mm) | 305 |
| Gender |
Girl Boy |
| Wheel Size | 20” |
| Groupset | Sram X4 8S |
| collection | 2022 |
| Age | 5 – 8 |








Reviews
There are no reviews yet.