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Shimano ZEE 10-speed rear derailleur RD-M640-SS Shadow Plus 11-23 / 11-28TThe 10 speed Zee RD-M640 features Shadow Plus technology that significantly reduces chain noise and offers a more stable drivetrain.
- Shadow RD +
- Short cage
- 10-speed only
- Shadow RD technology: Super low-profile design with built in chain stabilizer
- DH spec - 28T Capacity
Maxim B.Comment:Perfect items . Fast shipping.