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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
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Hartex ensures reliability on every journey
The wider seating area (width 143mm) allows a better distribution of body weight
Rigid compound
Shimano Rear Derailleur RX810 Series RD-RX812 X-CarboRing { "__shgImageElements": { "uuid": "s-58c7c7f7-4c49-4ee6-ab10-9937c196951b"SHIMANO 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