Shimano RD-R3000 Sora Rear Derailleur, 9-Speed Sora derailleurs feature an advanced light action for low-friction shifting up or down the block Wide link design for increased rigidity and precise gear shifts 11-tooth pulleys for reduced pulley wear and chain noise Pulleys feature sintered alloy bushings for smooth-running performance 37 tooth total capacity, rear sprocket size range 11-32T (SS Short Cage) Compatible with 9-speed drivetrains.
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