SHIMANO GRX ST-RX610 12-SPEED STI DUAL CONTROL RIGHT

The Shimano GRX ST-RX610 12-speed STI dual control lever is engineered for gravel riders who demand confidence on technical terrain.

Its hydraulic disc brake integration delivers powerful, modulated stopping power—essential when navigating steep descents, loose surfaces, and unpredictable trail conditions. The responsive braking performance maintains control when it matters most, while the intuitive shifter design keeps you focused on the trail ahead. Built for reliability on every adventure, from smooth gravel to challenging off-road sections.

Features

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

Specification

• Use: Gravel, Cyclocross
• Group: GRX
• Model: ST-RX610-R
• Type: Dual-Control (STI)
• Handlebar mounting: right
• Gear rear: 12-speed
• Optical gear display: No
• Lever reach adjust: Yes, with tool
• Handlebar diameter: 23.8mm/24.2mm
• Brake-type: Hydraulic Disc Brake
• Cable connection: Straight
• Recommended brake hose: SM-BH90-JK-SS
• Recommended brake caliper: BR-RX820 / BR-RX400
• Recommended brake rotor: SM-RT800 / SM-RT70 / SM-RT64

Material

• Lever: Aluminum

Colour

• Series color

Contents

• 1 x GRX ST-RX610 12-speed STI Dual Control right for Hydraulic Disc Brake
• 1 x Gear wire (Optislick) 2100mm
• 1 x End caps