Cylinder Kit 2Fast 70Cc Derbi 3 / 4

2Fast alu cylinder 70 Derbi Euro 3 / Euro 4 2Fast has firmly established its position on the automatic scooter market and is now venturing out onto the market for 50cc bikes. The 2Fast Cylinder Kit 70cc Derbi E3 / E4 is a high-end aluminium cylinder with a very resistant Nikasil coating accompanied by 2Fast's famous anodized blue cylinder head. 2Fast put a lot of thinking and effort in recalculating port timings and redesigning transfer port layout resulting in stand-out performance in this category; in combination with the right components (28mm carburetor, digital internal rotor ignition and Hyper Racing exhaust), this cylinder kit can reach 22 to 24hp. Specifications 2Fast Aluminium Racing cylinder Derbi D50B0: 70cc aluminium cylinder, 6 transfer ports and bridged exhaust port modular cylinder head, directly flushed 1-ring piston, 12mm pin exhaust mounting possible for 2- and 3-hole flanges compression 1:15:8