Shimano GRX BR-RX820 Disc Brake Caliper Size:Rear The "Panaracer Ratio" is in

The "Panaracer Ratio" is in full effect with this tire

passing all of ENVE’s testing criteria for strength and impact resistance

Includes cradles for 7x9mm Carbon Rails and 7x7mm Round Alloy Rails

Aluminum Chainring

Shimano GRX BR-RX820 Disc Brake Caliper Size:Rear The "Panaracer Ratio" is inThe Shimano GRX BR RX820 2 piston disc brake caliper brings a high level of control to gravel cycling with enhanced modulation and a quick initial braking point. Despite its smaller construction, the system is exceptionally quiet and easy to maintain Features 2 piston caliper features 10% wider pad clearance to decrease brake noise One way maintenance friendly bleeding process for quick and easy prevention of air bubbles in the hydraulic system