The Shimano GRX ST-RX610 2-speed STI delivers the braking power gravel riders demand.
Engineered for hydraulic disc brakes, this dual control lever provides exceptional deceleration performance when you need it most—whether tackling steep descents, technical terrain, or unexpected obstacles. The 2-speed design offers versatile gear management alongside reliable stopping power, giving you confidence and control across any gravel adventure. Built for riders who refuse to compromise on safety or performance.
Features
- Greater mixed-terrain control
- Gravel inspired lever and bracket ergonomics
- Anti-slip brake lever
- Same light shifting operation as top tier road systems
Specification
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Use: Gravel, Cyclocross
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Group: GRX
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Model: ST-RX610-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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Cable connection: Straight
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Recommended brake hose: SM-BH90-JK-SS
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Recommended brake caliper: BR-RX820 / BR-RX400
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Recommended brake rotor: SM-RT800 / SM-RT70 / SM-RT64
Material
Colour
Contents
- 1 x GRX ST-RX610 2-speed STI Dual Control left for Hydraulic Disc Brake
- 1 x Gear wire (Optislick) 1800mm
- 1 x End caps
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.
