SHIMANO
Shift/Brake Set Shimano GRX ST-RX810/BR-RX810 Left, 2-speed
Shift/Brake Set Shimano GRX ST-RX810/BR-RX810 Left, 2-speed
The Shimano GRX ST-RX810 + BR-RX810 is a left-hand 2-speed Dual Control shift and hydraulic disc brake set designed for demanding gravel riding. It delivers powerful and precisely modulated braking to maintain full control on steep, technical or unexpected descents.
GRX-specific ergonomics provide a secure and comfortable grip on rough terrain, while tool-adjustable reach allows fine-tuning to match different hand sizes. The Flat-Mount BR-RX810 caliper with one-way bleeding system ensures easy and reliable maintenance.
- Application: Gravel, Road, Cyclocross
- Group: GRX
- Model: ST-RX810
- Type: Dual-Control (STI)
- Mount: Left
- Front speeds: 2-speed
- Reach adjustment: Yes, with tool
- Handlebar diameter: 23.8–24.2 mm
- Brake type: Hydraulic disc brake
- Brake caliper: BR-RX810-L
- Mount type: Flat-Mount
- Brake pads: L03A Resin with Fin
- Brake hose: SM-BH90-JK-SSR front 1000 mm (cuttable)
- One-way bleeding: Yes
- Brake fluid: Shimano mineral oil
- Recommended rotor: SM-RT64, SM-RT70, SM-RT800
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Shimano is a Japanese component manufacturer that since 1921 has been one of the world’s largest suppliers of bicycle drivetrains, brakes and cycling-specific parts. Shimano groupsets — from Tourney for city bikes to top-tier Dura-Ace — are found on virtually every serious bike brand. The company also makes fishing tackle and rowing components.