O.S.ENGINE O.S. Speed B21 Adam Drake 4 Off-Road XB8'25 Låg ljudnivå

Låg ljudnivå

New CVD driveshafts simplify adjustment & improve reliability

Graphite Chassis Brace Upper Deck 2

and LiIon battery

O.S.ENGINE O.S. Speed B21 Adam Drake 4 Off-Road XB8'25 Låg ljudnivåO. S. SPEED B21 ADAM DRAKE 4 3. 5cc Off Road Buggy Racing Engine O. S. Engines would like to introduce new O. S. SPEED B21 ADAM DRAKE 4. The latest collaboration engine with world famous O. S. Team driver Adam Drake. The cylinder liner, crankshaft & cooling head has been redesigned to Adam Drakes spec for better balance, more torque and more power for better driving performance. Main changes (compared to AD3): Cylinder liner: Revised port design for