Shimano GRX 1x Rear Derailleur (RD-RX812) BX PSI and reliability

and reliability

SHIMANO DEORE XT is the original mountain bike groupset trusted by generations of mountain bikers around the world

Shimano Dura-Ace R9100 series pedal

Campagnolo and SRAM)

Shimano GRX 1x Rear Derailleur (RD-RX812) BX PSI and reliabilityWith 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 SHIMANO SHADOW RD+ (11 speed) Adjustable chain stabilizer prevents chain slapping and drops Toggle