BSA Engine Sprocket/Chain Sprocket B31,B32,B33,B34,Gold Star,M20.M21.M33/ 21T. 4-Lobe
s52) 15-1560.21T
Engine Sprocket 21T. BSA
4 Lobe BSA B31,B32,B33,B34,
Gold Star.
M20.M21.M33
New
110-046
428 chain
1/2x5/16"
ID: 37.3mm
4 Lobe BSA B31,B32,B33,B34,
Gold Star.
M20.M21.M33
New
110-046
428 chain
1/2x5/16"
ID: 37.3mm