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Shimano GRX ST-RX825/BR-RX820 Hydraulic Disc Brake Set

IRX8251DRRDSC170B
₹37,240
Type

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Wireless Di2 Gravel Control with Hydraulic Disc Braking

Overview

The Shimano GRX ST-RX825 Di2 Dual Control Lever brings 12-speed wireless shifting to gravel and mixed-terrain adventures. With rapid, reliable performance, it ensures effortless gear changes, letting you focus on the ride ahead rather than your drivetrain.

Ergonomic Gravel-Specific Design: Built for control and comfort, the lever features raised hoods, a ribbed surface texture, and an anti-slip coating on the blade. The newly optimized hood body integrates seamlessly with flared handlebars, while maintaining the gravel-specific third button location for extra control options.

Advanced Customization Options: To further enhance cockpit versatility, the RX825 lever is compatible with three different satellite shifter options. It also supports Shimano’s Front Shift Next functionality, allowing riders to customize shifting preferences for a truly personalized setup.

Compact, Quiet, and Responsive Braking: The Shimano BR-RX820 flat-mount hydraulic disc brake caliper offers a new level of control for gravel cycling. Its refined design ensures enhanced modulation, a quicker initial braking point, and quieter operation, even under demanding conditions.

Easy to maintain, powerful, and ergonomically optimized, this set is the ideal choice for riders who demand precision, control and confidence across every terrain.

Features
  • Wireless Shifting Integration: Clean cockpit with fast and reliable 12-speed Di2 wireless shifting for gravel and mixed-terrain use.
  • Extended Battery Life: Up to 3–4 years of runtime with CR1632 shifter batteries, easily replaceable for uninterrupted rides.
  • Ergonomic Hood Shape: Raised hoods, ribbed texture and anti-slip lever coating optimize comfort and control on long gravel descents.
  • Satellite Shifter Compatibility: Supports Shimano’s SW-RS801 satellite shifters and Front Shift Next functionality for custom cockpit setups.
  • Flared Handlebar Design: Hood body shape engineered specifically for flared bars, ensuring secure grip and stable handling.
  • Refined Caliper Design: BR-RX820 caliper provides 10% wider pad clearance for reduced brake noise and easier maintenance.

Technologies

  • Reach Adjust: Fine-tune lever reach to match any hand size or riding style for better control and comfort.
  • Raised Hood Head: Prevents hand misalignment and slippage on rough gravel descents.
  • Secure Grip Texture: Textured surface and anti-slip coating maintain lever control in wet or muddy conditions.
  • Optimized Hood Shape: Gravel-specific profile distributes pressure across hands for long-range comfort on flared bars.
  • One Way Bleeding: Simplified oil routing ensures quick, clean maintenance by preventing air bubbles in the system.

Specifications

ST-RX825-R Dual Control Lever

  • Model No: ST-RX825-R
  • Series: GRX
  • Color: Series Color
  • Shifter Type: Dual Control Lever
  • Remote Switch: Yes
  • Brake Lever|Brake Hose (Kit): SM-BH90-JK-SSR
  • Brake Lever|Hose Joint: Straight
  • Brake Lever|Brake Hose Color (Kit): Black
  • Brake Lever|Recommended Brake Caliper: BR-RX820
  • Brake Lever|Oil: Shimano Mineral
  • Brake Lever|Reach Adjust: Yes
  • Brake Lever|Clamp Band: 23.8–24.2 mm
  • Brake Lever|Funnel Bleeding: Yes
  • Brake Lever|Free Stroke Adjust: Yes
  • Brake Lever|Servo Wave: Yes
  • Di2 Connectivity Wireless|Di2 Shifting: Yes
  • Firmware Update by E-Tube Project: Yes
  • SD300 Port (Pcs): 1
  • Port for SD300 Satellite Shifter (Pcs): 1
  • Battery: 2× CR1632

BR-RX820 Caliper

  • Model No: BR-RX820
  • Series: GRX
  • Brake Type: Hydraulic Disc Brake
  • Brake Hose (Kit): SM-BH90-JK-SSR
  • Hose Joint: Straight
  • Brake Hose Color (Kit): Black
  • J-Kit Spec (OEM): Yes
  • Ice Technologies Pad Compatible Caliper: Yes
  • Pad|Standard 1: K05S-RX Resin (w/o Fin)
  • Pad|Standard 2: L05A-RF Resin (w/ Fin)
  • Pad|Option: L04C-MF Metal (w/ fin)
  • Fixing Screw Spec for Rear Mount (mm): 10, 15, 20, 25, 30 and 35
  • Recommended Brake Lever: ST-RX820, ST-RX820-LA, BL-RX820-L
  • Recommended Disc Brake Rotor: RT-CL800
  • Oil: Shimano Mineral
  • One Way Bleeding: Yes
  • Mount Type: Flat mount
  • Piston: 2
  • Caliper Fixing Screw|Tool Size: 4 mm
  • Caliper Fixing Screw|Anti-Loosen Method: Screw Fix Pin + Snap Ring
  • Pad Mount: Pad Axle
  • Average Weight: 136 g (Rear)

Shipping, Returns & Refunds

We ship across India. Shipping is free on orders above ₹2,000, and ₹99 is charged on orders below ₹2,000. Cash on Delivery is available for orders up to ₹20,000, with additional COD charges based on order value. Most orders are delivered within 3–6 working days, though delays may occasionally occur. Please note that most Shimano products may take longer to ship. View full shipping policy.

Returns can be initiated within 7 days of delivery. Items must be unused, in original condition, and returned with all tags and packaging intact. Returns are available only on select categories such as apparel, helmets, jerseys, gloves, and similar items. Wetsuits and products discounted above 5% are not eligible for return.

Returns are not accepted for compatibility-related issues unless the product description on our website was incorrect. Return shipping must be arranged by the customer, as pickup is not available.

For eligible returns, you can choose an exchange, store credit, or a monetary refund. Refunds are processed after deduction of applicable shipping and transaction charges. Order cancellations are only possible before the order is processed. View full Return & Refund Policy.

Shimano Warranty Information