![Hot Sale Shimano Rx817 Grx Di2 Rear Derailleur Instant 45% Discount [DmNEfH8k]](https://cdn.shopify.com/s/files/1/0697/5252/0918/files/313902.jpg?v=1726322771)
Hot Sale Shimano Rx817 Grx Di2 Rear Derailleur Instant 45% Discount [DmNEfH8k]
With an integrated chain stabilizer mechanism, the Shimano GRX Rear 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 t
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With an integrated chain stabilizer mechanism, the Shimano GRX Rear 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-RX817 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is compatible with mtb cassettes with a 42T low sprocket max.
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