Sprocket with 36 teeth for Zündapp ZD 20 and ZD 40 3-speed with 120mm hub, ZD 25, ZL 25, Hai 25 year 80-81, CX 25, ZD 25 TS, ZS 25, ZE 40, C 50 Sport type 517-021 and 529-010, GTS 50 4-speed, Hai 50, ZD 50 TS. Suitable for chain type 415 (1/2 x 3/16).
