SHIMANO GRX BR-RX820 FLAT-MOUNT BRAKE CALLIPER FRONT exclude_premium_shipping Single button on each side

Single button on each side of the shifting lever only works with SHIMANO SYNCHRONIZED SHIFT

Nylon composite Bronze Series sole provides stiff yet walkable performance

such as Design

Anodised chainring

SHIMANO GRX BR-RX820 FLAT-MOUNT BRAKE CALLIPER FRONT exclude_premium_shipping Single button on each sideThe Shimano GRX BR RX820 is a hydraulic 2 piston brake caliper engineered for gravel and adventure cycling. Featuring Flat Mount compatibility, it delivers reliable stopping power in demanding terrain. Includes L05A RF Resin disc pads with cooling fins for consistent modulation and heat dissipation. Designed for front wheel application, this caliper offers the durability and performance needed for mixed surface riding. Features Excellent heat