Gravel left handle Shimano GRX ST-RX600L - ISTRX600LI

The Shimano GRX ST-RX600L (ISTRX600LI) left-hand shifter is a Dual Control STI shifter designed for gravel and cyclocross bikes equipped with 2×11 speed drivetrains. It combines front chainring shifting and hydraulic disc braking in a single lever, offering excellent ergonomics and optimum control on varied terrain.

Specially designed for mixed surfaces (trails, gravel, roads in poor conditions), this shifter features GRX-inspired ergonomics with a textured, non-slip brake lever and a gravel-ready strand angle, for a confident grip even when the terrain becomes technical. Thanks to its light, responsive control mechanism, forward gear changes are simple and precise, while the hydraulic brake lever offers progressive modulation for controlled braking.

Ideal for riders who want full left-hand control, performance and comfort for long off-road rides as well as daily commutes.

Key features:

• Dual Control STI shifter combining front gears and hydraulic braking
• Designed for 2×11 speed drivetrains Shimano GRX
• Gravel-specific ergonomics for greater comfort and control
• Non-slip lever rise
• Compatible with hydraulic disc brakes Shimano

Technical specifications

- 11-speed transmission
- Left-hand lever for front derailleur
- 2x chainrings compatible
- Hydraulic disc brakes
- Reference Shimano: ST-RX600LI

FAQ - Shimano GRX ST-RX600L

What is the purpose of this handlebar?
It allows you to change front chainring (2 speeds) and brake hydraulically, while remaining on the left-hand handlebar.

Is it compatible with a 1×11 system?
Yes and no - this model is specific to 2×11 transmissions and uses a two-position gear mechanism, but can be used in mono.

What type of brake does it use?
It is designed to be connected to a hydraulic disc brake (hose and caliper not included).

Is it comfortable for gravel riding?
Yes - the textured brake lever and ergonomic design ensure a good grip on mixed terrain.

Can the lever distance be adjusted?
Yes, it has a reach adjustment to adapt the position of the lever to hand size and riding style.