CSK17P Frizione a trazione libera cuscinetto a senso unico 17 mmX40 mmX12 mm chiave interna NUOVA
CSK20 Quality Freewheel sprag clutch one way bearing 20mmX47mmX14mm No Keyway. CSK25PP Freewheel sprag clutch one way bearing 25mmX52mmX15mm with two keyways. CSK15PP Freewheel sprag clutch one way bearing 15mmX35mmX11mm with two keyways.