RENTHAL 123U-520-51GPHA : RENTHAL Ultraleichtes harteloxiertes Aluminiumritzel hinten 123U - 520 76,28 €
JT DRIVE CHAIN 483415 : JT Chain Kit 520HDS 12/48 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket 71,94 €
RENTHAL 487521 : RENTHAL Chain Kit 520R1 13/49 Standard - Ultra-Light Self-Cleaning Rear Sprocket 235,42 €