GRX RD-RX812 1x11 Spd. Ultegra Di2 Total capacity: 20T

Total capacity: 20T

6061 alloy

Stop Shock Sleeves reduce string vibrations at 3 & 9 for improved feel

The BTY CS series from Butterfly is designed for the developing recreational player preferring a penhold grip

Max Life® Fabric

GRX RD-RX812 1x11 Spd. Ultegra Di2 Total capacity: 20TWith 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