For gravel, road and cyclocross: GRX 1x11-speed ST-RX810-LA/RX810 STI Dual Control for disc brake and adjustable seat post from Shimano
All STI Dual Controler feature an 18mm higher brake lever pivot axis, a curved lever shape and non-slip textures on the contact surfaces for optimum grip even in the roughest terrain.For the integration of drop seat posts in the Gravel segment, SHIMANO specially developed the hydraulic STI lever ST-RX810-LA, which, mounted on the left-hand side, uses the sideways movement of the lever not required for shifting in 1-speed systems to operate the seat post. The integrated traction system is designed for a 9 mm stroke and therefore works with most common dropper posts. The STI lineup of the GRX family is complemented by the 1x11-speed RX800 and RX600 STIs for the left without switching or DSP functionality, including the 1x11 Di2 version (ST-RX815), whose three switches (two on the side and one on the top of the cap) can be used to operate 3rd devices such as compatible lights or computers.
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.Features - GRX ST-RX810-LA/RX810 1x11-speed STI Dual Control for hydraulic disc brake and adjustable seat post
- Gravel inspired lever and bracket ergonomics
- Anti-slip brake lever
- Greater mixed-terrain control
- Integrated cable pulling system
- 8.3mm max cable stroke
- Control dropper post from shifting lever
- Streamlined cockpit minimizes stress and distractions
Product features
- Use: Gravel, Road, Cyclocross
- Group: GRX
- Model: ST-RX810-LA / ST-RX810
- Type:
- Single lever for adjustable seat post left
- Dual-Control (STI) right
- Handlebar mounting: left/right
- Gear front: 1-speed
- Gear rear: 11-speed
- 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 / BR-RX400
- Recommended brake rotor: SM-RT800 / SM-RT70 / SM-RT64
Material
- Body: CFRP
- Lever: Aluminum
Weight
- approx. 563g (pair)
Scope of delivery
- 1 x Shimano GRX ST-RX810-LA Brake Lever left for hydraulic disc brake and adjustable seat post
- 1 x Shimano GRX ST-RX81011-speed STI Dual Control right for Hydraulic Disc Brake
- 1 x Shimano Cable 2200mm
- 1 x Shimao Outer Casing 2000mm
- 1 x Shimano Gear Wire 2100mm
- 1 x End caps
Technologies
SERVOWAVE ACTION
When you pull a SERVOWAVE brake lever, initial pad travel is fast, so little lever movement is needed to bring the pads into contact with the rotor. The power multiplication factor then increases rapidly at the pad-to-rim contact so more of the lever stroke is used to apply greater braking power with improved control.
DCL - Dual Control Lever
DCL stands for Dual Control Lever. It has brake and shifting functions in the system and enables easy operation. Ergonomic innovation is probably more critical to the higher standard performance than the added gearing. The shift internals borrow the robustness from our MTB technology and are so smooth and effortless that one finger shifts front and rear are possible. Indeed, shifting is the ultimate act of SHIMANO Total Integration, and simply has to be experienced to be understood.
New Structure DCL The DURA-ACE/ULTEGRA/105 Dual Control Lever have a new structure with features that include the lighter weight pivot section in the near side of the shifting unit and the integral shifting cable for lighter steering. Its many component parts are made so compact and precise to achieve unprecedented high-speed performance. The new DCL is literally the pivot component of the new dimension.
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