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and Triathlon-bikes
experience knee pain
there's no need for the heavy integrated lever which can snag on trail-side obstacles
As a result
2 spec available * No mode converter
Open-Box Shimano GRX RD-RX810 11-SPEED pnw and Triathlon-bikesSHIMANO GRX Rear Derailleur SHIMANO SHADOW RD+ 34T 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 RX810 rear derailleur is compatible with road cassettes with a 34T low sprocket max. FEATURES Silent and
