Enjoy your gravel and adventure rides more than ever with the precision control you need for cycling on unpredictable terrain.
Designed specifically for gravel, adventure, and all-terrain cycling, the Shimano GRX ST-RX820 2-Speed STI delivers ergonomic comfort, powerful braking, and rugged durability. Engineered for stability on rough terrain, this 12-speed hydraulic disc brake system provides effortless modulation and control in all riding conditions.
Enhanced Grip & Braking Performance
- Optimised Gravel Ergonomics – Higher brake lever axis and a curved brake lever improve grip and confidence on rough terrain and steep descents.
- Raised Hood Head – Prevents hand misalignment and slippage for added stability.
- Recessed Finger Notch – Enhances control by preventing upward slipping.
- Anti-Slip Texture & Brake Lever Coating – Maximises braking efficiency and reduces fatigue on long rides.
Complete Kit for Seamless Installation
- Factory-Bled System – Pre-bled left-hand ST-RX820 STI for hassle-free setup.
- BR-RX820 Flat Mount Rear Brake Caliper – Reliable stopping power with included brake pads.
- Durable Hose & Mineral Oil – Ensures smooth, responsive braking performance.
- Rotor & Adapter Not Included – Allowing for customisation based on your setup.
Gravel-Specific Performance with Shimano GRX
Shimano GRX stands apart with its specialised gravel design, ensuring quiet, stable shifting and reliable braking for all-conditions riding. Whether you're tackling rough trails or long endurance rides, the GRX ST-RX820 delivers exceptional performance, control, and confidence.