Shimano GRX RD-RX400 Rear Derailleur 10 Speed 36T Max Medium Cage Shadow+ BF PSI SpecificationsBrushed back fabric for additional

SpecificationsBrushed back fabric for additional warmthElasticated gripper for a secure fitSits comfortably beneath jersey sleevesPink tab for easy on and offOff-centre seams for freedom of movement55% Nylon28% Polyester17% ElastaneMfr Claimed WeightTBC

COLORS: Silver/High Polish

Consistent Spoke Lengths: The all-new straight-pull hubshell allows for the use of a single spoke length for any given rim diameter

Rear Derailleur: SRAM Apex XPLR

steel construction with an allow sleeve for increased stiffness

Shimano GRX RD-RX400 Rear Derailleur 10 Speed 36T Max Medium Cage Shadow+ BF PSI SpecificationsBrushed back fabric for additionalWith 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 RD+ Smooth and reliable mixed surface shifting Switch