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Shimano GRX ST RX815 Di2 Hydraulic STI Shifter/Lever 2x11



Shimano GRX ST RX815 Di2 Hydraulic STI Shifter/Lever 2x11
SHIMANO's GRX, the first Gravel-specific component family designed for both fast progress and safe bike handling on loose surfaces, is the result of an intensive and extensive research, testing and development process that incorporates information and feedback from countless riders on trails, forest tracks, gravel tracks and asphalt all over the world.

A central concern of Gravel riders is a reliable braking system with sufficient power reserves, the Shimano Di2 GRX 2x11-speed ST-RX815 STI for hydraulic disc brake is characterized by excellent deceleration performance to maintain control on steep, demanding or even surprising descents.

Intended Use: Gravel, Road, Cyclocross
Group: GRX Di2
Model: ST-RX815
Type: Dual-Control (STI)
Handlebar mounting: left front, right rear
Speeds: 2x11
Optical gear display: No
Lever reach adjust: Yes, with tool
Handlebar diameter: 23.8mm/24.2mm
Cable connection: Straight
Brake-type: Hydraulic Disc Brake
Recommended brake hose: SM-BH90-JK-SSR
Recommended brake caliper: BR-RX810
Recommended brake rotor: SM-RT800
Master unit: No
Firmware update by E-tube Project: Yes
Remote switch: Yes
E-tube port (pcs): 2
E-tube connector (pcs): 0
Port for remote sprinter shifter (pcs): 0
Weight: 280g

- safer on rough surfaces and in descents
- thumb notch increases grip
- anti-slip brake lever
- textured surface and larger humps keep the hand from slipping off
- higher brake lever axle for more brake performance
- faster brake contact thanks to Servo Wave
- programmable gearing
- E-Tube project ensures firmware updates
- multiple input: hold
- number of E-Tube ports: 2
- remote switch
- compatible with 11-speed Road rear derailleurs
- funnel bleeding (with adapter Y-0C698050)
- shift lever made of GFRP, brake lever painted
- for 23.8 - 24.2 mm handlebar diameter
- recommended brake caliper: BR-RX810

Shimano Item #
Front Left • ISTRX815L
UPC : 192790448541

Right Rear • ISTRX815R
UPC : 192790448701

Original Genuine Shimano parts guarantees that all components work perfectly for optimum performance and maximum safety
and Longevity.

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