SHIMANO GRX ST-RX810 2-SPEED STI DUAL CONTROL LEFT

Gravel riders demand braking systems they can trust on unpredictable terrain.

The Shimano GRX 2x11-speed ST-RX810 STI for hydraulic disc brake delivers the stopping power you need when it matters most. Engineered for excellent deceleration performance, these dual controls maintain precise command on steep descents and technical sections where hesitation isn't an option. Built to handle the demands of adventure riding, the RX810 gives you the confidence to push harder knowing your brakes won't let you down.

Features 

• Gravel inspired lever and bracket ergonomics
• Anti-slip brake lever
• Greater mixed-terrain control
• Same light shifting operation as top tier systems

Specification

• Use: Gravel, Road, Cyclocross
• Group: GRX
• Model: ST-RX810
• Type: Dual-Control (STI)
• Handlebar mounting: left
• Gear rear: 2-speed
• Optical gear display: No
• Lever reach adjust: Yes, with tool
• Handlebar diameter: 23.8mm/24.2mm
• Cable connection: Straight
• Brake-type: Hydraulic Disc Brake
• Recommended brake hose: SM-BH90-JK-SSR
• Recommended brake caliper: BR-RX810 / BR-RX400
• Recommended brake rotor: SM-RT800 / SM-RT70 / SM-RT64

Material

• Lever: Aluminium, painted

Colour

• Black

Weight

• Approx. 290g

Contents

• 1 x Shimano GRX 2-Speed STI Dual Control ST-RX810 Left for Hydraulic Disc Brake
• 1 x Gear wire (Optislick) 1800mm
• 1 x End caps

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Weights are based off pre-production products at time of publication. Weights may vary in final production.