Description
Control - 70
the Varia app helps increase your awareness with vibration alerts and more
Maximum cog: 46T for 1x drivetrain (42T if 2x
wicking SELECT Transfer fabric
Weight: 469 grams
GRX RD-RX812 1x11 Spd. Pump Accessory Control - 70With 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. Silent and uninterrupted rear shifting on rough terrain Adjustable chain stabilizer prevents chain slapping