Shimano GRX RD-RX825 12-Speed Derailleur 2023 ride with 3-D maps and

ride with 3-D maps and more

slip-on design fits higher on the bicep than most pads

5mm front and rear

760mm width Grips Deity Lockjaw Brakes Front Brake SRAM Code R

‚all-in-one comfort‘ during many hours of riding

Shimano GRX RD-RX825 12-Speed Derailleur 2023 ride with 3-D maps andWhere The Magic Happens The Shimano RX825 Rear Derailleur features Shimano's pioneering Shadow RD+ technology. With its convenient on off switch, Shadow RD+ makes removing the rear wheel easy when turned off. When on, the drivetrain is under additional tension that makes for a quieter ride and more precise shifting. Like on Shimano's road 12 speed Di2 systems, the rear derailleur is also the communication hub of the drivetrain, communicating