Shimano GRX 600 11-Speed Dual Control Lever & GRX 400 Brake Caliper Kit - Left Rear, Right Front
Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, a...Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world.
GRX hydraulic disc brake 11-speed STI's give you control, modulation and power with minimal effort in all riding conditions.
Higher brake lever axis and curved brake lever, improves grip and confidence on choppy surfaces and descents.
Specification
Raised hood head prevents hand misalignment and slippage
Recessed finger notch prevents upward slipping
Anti-slip texture and brake lever coating gives higher braking efficiency and reduces fatigue on long rides
Kit contains bled right hand ST-RX600 STI, BR-RX400 flat mount front brake calliper with pads, hose and mineral oil (without rotor or adapter).
Designed to match the Shimano GRX RX600 groupset, the GRX RX600 11-Speed STI Shift Levers & RX400 Calipers provide slick shifting and powerful braking in a sleek, stylish package that is perfect for your gravel or adventure bike. Gravel inspired level and hood ergonomics for exceptional performance and comfort. Anti-slip brake lever improves control in all conditions. Provides smooth, fast and light-action shifting performance. Oversized 22mm pistons optimised for heat insulation, lightweight & stiffness. Increased pad to rotor clearance & inline hose routing for low profile design. The GRX RX600 levers get the look and feel of their 11-speed road orientated levers, while adapting the hoods and levers to provide exceptional performance off the beaten track. As well as the specially designed hood shape to improve grip in wet and muddy conditions, the shifters also feature neat under-tape cable routing, keeping the front end of your bike looking neat and tidy. Like the more expensive GRX groups, the GRX RX600 levers provide a shorter shift stroke that delivers what Shimano calls ''lightest and easiest front shifting Shimano has ever made''. The lever is fully adjustable to accommodate different hand sizes via an easy to use reach adjustment. There's even a brake-lever only variant that is perfect for 1x drivetrains. Braking isn't ignored of course, and the power and feel of the braking has been improved, especially when riding on the hoods. The GRX caliper offer excellent heat dissipation which means consistent braking power even on the longest or roughest descents. Providing slick shifting and powerful braking, the GRX RX600 STI Levers & RX400 Brake Calipers provide exceptional performance at a competitive price.
This guide is for cyclists looking to upgrade their gravel or adventure bikes with the Shimano GRX RX600 11-Speed STI Shift Levers and RX400 Calipers. It offers enhanced shifting and braking performance, especially on uneven terrain. However, users should note that this kit requires professional installation for optimal performance.
All features
Brand
SHIMANO
Extended Product Information
FAQs
What is included in the kit?
The kit includes a bled right hand ST-RX600 STI, BR-RX400 flat mount front brake caliper with pads, hose, and mineral oil. Rotors and adapters are not included.
Are the rotors included?
No, the rotors are not included and must be purchased separately.
Is professional installation required?
Professional installation is recommended for optimal performance.
How do I adjust the lever reach?
Use the reach adjustment mechanism on the lever to adjust for different hand sizes.
What type of bike is this kit designed for?
This kit is designed for gravel or adventure bikes.
What is the benefit of the raised hood head?
It helps prevent hand misalignment and slippage, improving grip and control.
What kind of brake pads do I need?
The kit includes brake pads. When replacing them, use pads compatible with the RX400 caliper.
How often should I bleed the brakes?
Brake bleeding frequency depends on usage and riding conditions. Check the brake lever feel regularly and bleed when spongy.
Troubleshooting
Brakes feel spongy or lack power.
Bleed the brakes to remove any air in the system. Check for leaks in the brake lines.
Shifting is not smooth or precise.
Check the cable tension and adjust if necessary. Make sure the derailleur is properly aligned.
Brake levers feel sticky or hard to pull.
Lubricate the pivot points on the brake levers. Check for any obstructions in the brake lines.
Brakes are making noise.
Clean the brake rotors and pads. Check for contamination or wear.
Pros and Cons
Pros
Improved grip and confidence on choppy surfaces and descents.
Higher braking efficiency and reduced fatigue on long rides.
Smooth, fast, and light-action shifting performance.
Excellent heat dissipation for consistent braking power.
Fully adjustable to accommodate different hand sizes.
Cons
Professional installation may be required.
Requires specific rotors and adapters (not included).
Compatibility is limited to Shimano GRX RX600 groupset.
May require adjustment to fit different handlebar setups.
Initial setup may require some time and effort.
Setup, Compatibility & Care
Installation: Professional installation is recommended. The kit includes the right-hand ST-RX600 STI, BR-RX400 flat mount front brake caliper, hose, and mineral oil. Rotors and adapters are not included and must be purchased separately.
Compatibility: This kit is designed to work with the Shimano GRX RX600 groupset. Ensure your other components are compatible.
Brake Bleeding: After installation, bleed the brakes to remove air from the system. This ensures optimal braking performance.
Reach Adjustment: Adjust the lever reach to fit your hand size. Use the reach adjustment mechanism on the lever.
Care: Regularly inspect the brakes for wear and tear. Clean the levers and calipers with a damp cloth. Avoid using harsh chemicals.
Hose Routing: Ensure proper hose routing to avoid kinks and ensure smooth operation.