Rockbreaker 21-G Altus
Overview
A Rockbreaker 21G will make its rider the coolest of the cool in the schoolyard. Its dirtbike look and 21-speed derailleur gears smack of rides at daredevil speed. It features a hub dynamo lighting system with rear stand light that conforms to the Road Traffic Licensing Regulations (StVZO) in Germany, keeping the child safe and giving the parents peace of mind.
Specification
 | Frame | Dirt Aluminium |
 | Fork | Suntour M3010 |
 | Handlebar | Town, gerade |
 | Stem | ATB |
 | Saddle | ATB |
 | Brakes | Promax V-Bremse |
 | Headlight | Basta ISI, Halogen mit Schalter |
 | Backlight | Basta Go Steady, mit Standlicht |
 | Colour | Black matt / Red matt |
Specification changes and errors excepted!
Geometry
| Frame Shape | Wheel Size (inch) | Frame Size Short | Seat Tube (mm) |
|---|---|---|---|
| HE | 26 | M | 500 |
| HE | 26 | S | 450 |
| HE | 26 | XS | 360 |
| HE | 26 | XXS | 320 |
Compare Bikes
| Rockbreaker 21-G Altus | |||
|---|---|---|---|
| Frame | Dirt Aluminium | - |
| Fork | Suntour M3010 | - |
 | Motor | - | - |
 | Battery | - | - |
 | Display | - | - |
 | Schaltung | - | - |
| Handlebar | Town, gerade | - |
| Stem | ATB | - |
| Saddle | ATB | - |
| Brakes | Promax V-Bremse | - |
 | Rims | - | - |
| Headlight | Basta ISI, Halogen mit Schalter | - |
| Backlight | Basta Go Steady, mit Standlicht | - |
| Colour | Black matt / Red matt | - |
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