The chainring teeth have been developed to work in conjunction with HG-X 9-speed chains for increased contact to provide greater efficiency and improved power transfer.Material: AluminiumBolt Pattern: 5 BoltChainring BCD: 110mm
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 ...
The Shimano RD-R3000 9-speed Rear Derailleur features an advanced light action for low-friction shifting up or down the block, a wide link design for increased rigidity and precise gear shifts. The super light shift action is complemented by large 11...