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Ships within 48 hours · Estimated delivery Sep 28 - Oct 3
130 (53t only)
An environmentally conscious balance of performance
For use in spring and winter
Eagle™ pulley technology provides greater efficiency
Shimano GRX Di2 Rear Derailleur (RD-RX815) Groupe 130 (53t only)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 RX815 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is compatible with road cassettes with a 34T low sprocket max. Features Silent and
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