SHIMANO REAR DERAILLEUR, RD-RX812, GRX, 11-SPEED, SHADOW PLUS DESIGN, DIRECT ATTACHMENT, 1x11 lube Versatile mounting rail system for

Versatile mounting rail system for bottle cages and accessories

Furthermore

combining precision-fit wrenches for the three most popular spoke nipple sizes into one ergonomically-shaped wrench that fits nicely in the hand

Machined from 7075 T6 aluminum

For rides on smooth surfaces

SHIMANO REAR DERAILLEUR, RD-RX812, GRX, 11-SPEED, SHADOW PLUS DESIGN, DIRECT ATTACHMENT, 1x11 lube Versatile mounting rail system forSHIMANO GRX Rear Derailleur SHIMANO SHADOW RD+ 42T max low sprocket 11 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. The RD RX812 rear derailleur is compatible with mtb cassettes with a 42T low sprocket max. FEATURES Silent and