It can be a real challenge to brake safely and shift gears precisely on gravel bikes due to the high speeds, different surfaces and often unpredictable routes.
With the combination of the GRX Di2 ST-RX825 electric shift brake lever and the matching BR-RX820 brake calliper, Shimano brings comfort and control together so that you can master any unforeseen situation on your gravel bike.
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
- Same light shifting operation as top tier road systems
- Never hesitate to tackle rough surfaces
- Excellent heat dissipation
- ICE TECHNOLOGIES
- Flat mount
- Simple set up and maintenance
- Convenient tool access
- Easy hose joint system (J-kit)
- Simple wheel replacement
- Easy and clean bleeding system
- ONE WAY BLEEDING
Specification
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Use: Gravel, Cyclocross
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Group: GRX Di2 RX825
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Model: ST-RX825-L
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Type: Dual-Control (STI)
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Handlebar mounting: left
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Gear front: 2-speed
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Optical gear display: No
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Lever reach adjust: Yes, with tool
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Handlebar diameter: 23.8mm/24.2mm
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Brake-type: Hydraulic Disc Brake
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Brake caliper: BR-RX820-L
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Brake mounting: Flat-Mount
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Brake pads: L05A-RF Resin with Fin
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Brake hose: SM-BH90-JK-SS front 1000mm (shortable)
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One-Way bleeding: Yes
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Brake fluid: Mineral oil
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Recommended brake rotor: SM-RT64, SM-RT70, SM-RT800
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Compatible electric wire: EW-SD300
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E-tube Project: Yes
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E-tube port (pcs): 1
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E-tube connector (pcs): 0
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Di2 Wireless-Chip: Yes
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Battery: CR1632 x 2
Material
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Lever: Aluminium
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Caliper: Aluminium
Colour
Weight
- Approx. 208g ST-RX825
- Approx. 134g BR-RX820
Contents
- 1 x GRX Di2 ST-RX825 2-speed STI Dual Control
- 1 x GRX BR-RX820 Flat-Mount Brake Caliper
- 1 x Flat-Mount Adapter 140mm/160mm
- 1 x Brake Pads L05A-RF Resin with Fin
- 1 x Brake Hose SM-BH90-JK
- 2 x Screw for brake caliper
- 1 x Tube Joint Kit
- 2 x CR1632 Battery
The brake hose SM-BH90-JK-SS is filled with mineral oil and pre-mounted on on the caliper BR-RX820
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.
