50B Martin Roller Chain Sprockets steel, C45 pilot bore
American Martin Standard roller chain sprocket, 50B, pitch 15.875mm, roller diam 10.16mm, pilot bore
Model:50B Martin Standard Roller Chain Sprocket
American Martin Standard roller chain sprocket, 50B, pitch 15.875mm, roller diam 10.16mm, pilot bore
Model:50B Martin Standard Roller Chain Sprocket
British Standard roller chain sprocket, 10B, pitch 15.875mm, roller diam 10.16mm, pilot bore
Model:10B British Standard Roller Chain Sprocket