speed mountain derailleur that was designed for performance with durable 3D forged linkages as a way to greatly improve impact resistance. BOX also incorporated their tri-pack limited slip clutch system to drastically ...

mechanically operated clutch-style rear derailleur for double-ring 10-speed drivetrains that provides equal amounts of shifting fidelity and durability. Engineered to be paired with an 11-38T cassette, this derailleur affords users an ultra-wide ...

crisp shifting for the 2 x 12 speed drivetrain. To ensure optimal chainline, the FD-R7150 adjusts its trim settings to avoid chain rub. It can also be used with full and semi-synchronized ...

RX610 provides the reliability of mechanical shifting combined with the performance of hydraulic disc brakes. The 12-speed CS-HG710 cassette offers multiple intermediary gear ratios allowing you to fine-tune your cadence. The RX820 ...

is great for replacing an old set of SL-4700 shifters. Note: Due to different cable pull ratios, these shifters are not compatible with any other 10-speed derailleurs and must be used with 4700 ...