Shimano GRX 1x Rear Derailleur (RD-RX812) BX Apparel allowing cyclists to feel when

allowing cyclists to feel when a gear shifts

Reach Adjustment

The new Super Record™ brakes ensure the shortest braking distance and continuous total control of the braking power transmitted thanks to the new Super Record shifting system and Campagnolo's proven experience in brake block compounds

Typical lifespan is:

Shimano GRX 1x Rear Derailleur (RD-RX812) BX Apparel allowing cyclists to feel whenWith 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 SHIMANO SHADOW RD+ (11 speed) Adjustable chain stabilizer prevents chain slapping and drops Toggle