Shimano Grx Rd-Rx400 Rear Derailleur 10-Speed AMAZON •Internal gaiter which holds back

•Internal gaiter which holds back pockets close to body

like all Park Tool products

8 mm body height from axle centre to cleat contact surface Silky smooth 3-bearing axle system

- Ultra-adjustable custom-tuned Fox DPX2 rear shock with all-new internals

100 x 9mm QR

Shimano Grx Rd-Rx400 Rear Derailleur 10-Speed AMAZON •Internal gaiter which holds backSHIMANO GRX Rear Derailleur SHIMANO SHADOW RD+ 10 speed With 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. FEATURES: Silent and uninterrupted rear shifting on rough terrain >>Adjustable chain stabilizer prevents chain slapping and drops SHIMANO SHADOW