SHIMANO GRX Di2 ST-RX825 12-SPEED STI DUAL CONTROL RIGHT

The Shimano GRX Di2 ST-RX825 delivers the stopping power gravel riders demand.

This 12-speed hydraulic disc brake STI lever combines responsive electronic shifting with exceptional braking performance, giving you confident control on steep descents and technical terrain. Engineered for reliability in demanding conditions, it maintains consistent deceleration when you need it most—whether navigating surprise obstacles or managing sustained downhill sections. Built for gravel's unpredictability.

Features

• Wireless Di2 Connectivity
• Clean cockpit: Wireless connection enhances the aesthetic of your bike while keeping shifting lightning fast
• Longer lasting. Uses two CR1632 batteries (battery life: 3.5 to 4 years)
• Three Di2 buttons per lever for E-TUBE PROJECT Cyclist app customization
• Compatible with satellite shifters
• Greater mixed-terrain control
• Gravel inspired lever and bracket ergonomics
• Anti-slip brake lever

Specication

• Use: Gravel, Cyclocross
• Group: GRX Di2 RX825
• Model: ST-RX825-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
• Recommended brake rotor: SM-RT800 / SM-RT70 / SM-RT64
• Compatible electric wire: EW-SD300
• E-tube Project: Yes
• E-tube port (pcs): 1
• E-tube connector (pcs): 0
• Di2 Wireless-Chip: Yes
• Battery: CR1632 x 2

Material

• Lever: Aluminium

Colour

• Series colour

Weight

• Approx. 208g

Contents

• 1 x GRX Di2 ST-RX825 12-speed STI Dual Control right for Hydraulic Disc Brake

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.