NEW Shimano GRX RD-RX825 Di2 Rear Derailleur - 12-Speed, Long Cage, With Clutch, For 2x, Black variant-size-4-5l High performing square bottom bracket

High performing square bottom bracket interfaces with English frames

wheel durability and wheel stiffness

This accessory allows you to carry smaller or junior bikes with ease

the X0 Eagle Transmission (T-Type) Flattop Chain is so much more than just a chain

NEW Shimano GRX RD-RX825 Di2 Rear Derailleur - 12-Speed, Long Cage, With Clutch, For 2x, Black variant-size-4-5l High performing square bottom bracketShimano's GRX RX825 Di2 12 speed rear derailleur features a built in wireless connectivity unit and charging port, ensuring fast and reliable shifting for mixed terrain riding and easy recharging. Integrated Shadow RD+ technology prevents chain slap and ensures precise shifting even on rough terrain. Thanks to built in ON OFF switch, wheel removal is easy too. The RD RX825 is compatible with 11 34t and 11 36t 12 speed cassettes and supports Full or