Shimano SORA RD R3000 9 speed SS GS Short Medium Cage RD-R3000 Rear Derailleur
Series: Shimano Sora R3000 Series. SERIES:SHIMANO SORA R3000 Series. Shimano Sora RD-R3000 Rear Derailleurs. • Rear Derailleur Mount Type: 10×1 Standard. Pulley cage:SS. Rear speeds:9. front difference:16T.