GRX RD-RX812 1x11 Spd. Ultegra Di2 Max Life® Fabric

Max Life® Fabric

Ceramic Wet utilizes a patented boron nitride technology

An integrated quick release mechanism allows for fast tuning

Finish Line Citrus Bike Chain Degreaser was the industry's original orange peel based cleaner that has set the standard since 1988

Also available with contrast-defining HiPER lens and photochromic lens

GRX RD-RX812 1x11 Spd. Ultegra Di2 Max Life® FabricWith 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