Shimano GRX RX610 12 Spd Shift/Disc Brake Kit - Rear YGroup_giro-artex-mips-mtb-helmet---2019-YG Double and single button controls

Double and single button controls on aero bar shifters

increasing range and battery life

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And with Cage Lock™ technology

Shimano GRX RX610 12 Spd Shift/Disc Brake Kit - Rear YGroup_giro-artex-mips-mtb-helmet---2019-YG Double and single button controlsShimano GRX RX610 12 Spd Shift Disc Brake Kit Rear Shimano's GRX groupsets have always been designed to bring smooth shifting, reliable braking, and comfort to gravel riding. The Shimano GRX ST RX610 hydraulic brake shift levers use trickle down technology from the original GRX 800 series to bring all the GRX performance and qualities to a more budget friendly tier. Designed for performance and comfort on rough surfaces, you'll find textured hoods for