FC Hollowtech Crankset FC-4500 FC-4550 FC-4503 |
ST S.T.I. Dual Control Lever ST-4500 |
RD Rear Derailleur RD-4500-SS RD-4500-GS |
|---|---|---|
FD Front Derailleur FD-4500-B FD-4500-F FD-4503-B FD-4503-F |
BR Brake Caliper BR-4500 |
CS 9-Speed Cassette CS-HG50-9R |
BB Bottom Bracket SM-FC4500 |
FH Rear Freehub FH-4500 |
HB Front Hub HB-4500 |
CN 9-Speed Chain CN-HG53 |