CSK12PP Freewheel sprag clutch one way bearing 12mmX32mmX10mm with two keyways
CSK25 Quality Freewheel sprag clutch one way bearing 25mmX52mmX15mm No Keyway. CSK35 Quality Freewheel sprag clutch one way bearing 35mmX72mmX17mm No Keyway. CSK30 Quality Freewheel sprag clutch one way bearing 30mmX62mmX16mm No Keyway.