Zzzzz Zzzzz I am a robot. Shift with electronic accuracy with Shimano Di2. Crush gravel from the Bike and Brew.
SHIMANO GRX - DI2 - 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-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.
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