For Victoria EM50 Engine and Zündapp engine with splined axle.
Fits among others:
Fram-King: 47F, 47H, 48F Clipper, 48H Clipper, 49F 1961 & Solifer 1962-1966
Mustang: All models 2 & 3 speed until 1982.08.01 with splined axle
REX-KTM: Monza 1966-1967, Sport 1964-, Sportmaster 1962- & Tornado 1967-1968
Dimensions on picture 3
Chain 415 H