Shimano GRX RD-RX812 Rear Derailleur - 11-Speed Long Cage BLK With Clutch For 1x 42t Low Sprocket Max MFPN=11.4318.003.520 Shimanos CENTER LOCK mounting system

Shimanos CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design

Performance is consistent in both wet and dry conditions

}Crank Brothers Highline 7 Dropper Seatpost - 30

} Chamfered leading and side edges for improved cornering clearance

(mm) 24 Manufacturer Number 61901 (6901) Material Ceramic Thickness 6

Shimano GRX RD-RX812 Rear Derailleur - 11-Speed Long Cage BLK With Clutch For 1x 42t Low Sprocket Max MFPN=11.4318.003.520 Shimanos CENTER LOCK mounting systemShimano GRX RD RX812 Rear Derailleur 11 Speed Long Cage Black With Clutch For 1x 42t Low Sprocket Max. The Shimano GRX 11 speed rear derailleur has an integrated chain stabilizer mechanism that provides a quieter experience shifting security and precision on mixed terrain. For rides on smooth surfaces the derailleur features an ON OFF switch for the chain tensioner. The Shimano Shadow RD+ adjustable chain stabilizer provides silent and uninterrupted