Thumpstar TSB70 4 STROKE
Thumpstar TSB70 4 STROKE

Thumpstar TSB70 4 STROKE

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The TSB70 4 speed semi-automatic gearbox gives your child the ability to select gears with a standard gear lever but without a clutch. This makes it much easier for young riders to learn the concept of changing gears, braking and throttle control.

This 4 stroke engine is paired with a Pipe Bomb 2.0 exhaust header and muffler to ensure the bike isn't too loud for children who are not racing.

We offer an additional $100-$150 assembly fee in-store, including oil and fuel.