GRX BL-RX610-L Crank Arm Bolts Slide hammer is substantial at

Slide hammer is substantial at 960g

Narrower inner rim width supports narrower tire profile in rear

Join us for the Introduction to the Bicycle course and gain the skills and confidence you need to take care of your bike and enjoy your rides even more

RaceGuard for lightweight puncture protection

Grid Light Set offers plenty of rechargeable power to keep you visible while out riding

GRX BL-RX610-L Crank Arm Bolts Slide hammer is substantial atThe new GRX BL RX610 L shifter bring greater rider control for mixed terrain riding thanks to Shimano's category leading hydraulic disc brakes. Brake only lever. Greater mixed terrain control from unique gravel inspired lever and bracket ergonomics. Anti slip brake lever increases control on bumpy terrain. Raised brake lever pivot point increases leverage from the hoods. Adjustable free stroke and lever reach. ServoWave action reduces freestroke and