Aluminium 77cc racing cylinder kit for motorcycles using a Derbi D50B0/1 50cc liquid-cooled engine.

The Airsal aluminium racing 77cc cylinder comprises of 5 transfer ports, a bridged exhaust port and the bore is finished with a durable nickel plating. The twin ring piston helps to reduce wear and increase the reliability. A cylinder head is also supplied as part of the kit.

Best performance when matched with a sports exhaust.

Airsal 01085950