Shimano GRX RD-RX812 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, For 1x, 42t Low Sprocket Max 2016 The Blur Carbon C Reserve

The Blur Carbon C Reserve is the perfect choice for riders seeking a competitive edge in cross-country racing or an exhilarating ride on their favorite trails

the GRX FC-RX600 crankset delivers reliable performance in challenging conditions

but full-length droppers that fit in the 30

Ideal for both road and mountain biking

Shimano GRX RD-RX812 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, For 1x, 42t Low Sprocket Max 2016 The Blur Carbon C ReserveThe 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 rear shifting on rough terrain.