GRX RD-RX400 10 Spd. XX1 Eagle AXS Beneath the shapely exterior of

Beneath the shapely exterior of the Tempo

A large head size combines with innovative V-Matrix Technology to provide a significantly generous sweet spot

Durability with impressive power and amazing control

Features the PowerLock® connecting link

Capacity: 700ml

GRX RD-RX400 10 Spd. XX1 Eagle AXS Beneath the shapely exterior ofWith 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