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Toolless reach adjust
Hartex ensures reliability on every journey
Ergonomic and dynamic cut for a secure fit
The special teeth has been designed to work in synchrony with the inner Carbon-Ti X-RoadCam 36 x 110 (4 arms)
Shimano Rear Derailleur RX810 Series RD-RX812 X-CarboRing Toolless reach adjustSHIMANO GRX Rear Derailleur SHIMANO SHADOW RD+ 42T max low sprocket 11 speed With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON OFF switch for the chain tensioner. The RD RX812 rear derailleur is compatible with mtb cassettes with a 42T low sprocket max. FEATURES Silent and