Rito full cheek tuning crankshaft with special connecting rod bearing and 44mm stroke for low wear and high speeds (up to 19,000 rpm). Suitable for various Zündapp mopeds with 2, 3 and 4-speed engines such as R 50 scooters, RS 50 super scooters, CS, CX, Hai, GTS, C 50 Sport, ZX, ZS, ZD, ZL with 278cc engine.
