Shimano GRX RD-RX812 Rear Derailleur - 11-Speed Long Cage BLK With Clutch For 1x 42t Low Sprocket Max MFPN=11.4318.003.520 Threading 10 x 1 Length

Threading 10 x 1 Length 137

65" rate (lbs) 434

Performance is consistent in both wet and dry conditions

}Shimano Sora CS-HG50 Cassette - 9 Speed 12-25t Silver Nickel Plated

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

Shimano GRX RD-RX812 Rear Derailleur - 11-Speed Long Cage BLK With Clutch For 1x 42t Low Sprocket Max MFPN=11.4318.003.520 Threading 10 x 1 LengthShimano 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