Alivio 9-speed Shift/Brake Levers dresses up your off-road rig with cutting-edge ergonomics and shifting technology. A single clamp keeps handlebar clutter to the absolute minimum. Shimano's index shifting is fast and precise, and the heads-up Optical Gear Display ensures you're always in the right gear.

With a low-profile Flat Mount design, the Shimano GRX BR-RX810 hydraulic disc brakes provide greater control for mixed-terrain riding. The Shimano GRX Dual Control Lever delivers light and responsive shifting for mixed-terrain riding. The ergonomic shifter design improves comfort, and the textured, anti-slip brake lever increases control on bumpy terrain. - Excellent heat dissipation - Flat mount and anti-mud specification - Convenient tool access - Simple wheel replacement - Easy and clean bleeding system - Never hesitate to tackle rough surfaces - Simple set up and maintenance - Gravel inspired lever and bracket ergonomics - Anti-slip brake lever - Greater mixed-terrain control - Same light shifting operation as top tier road systems

Shimano's Tiagra Rear Derailleur GS (10-speed) is sleek, balanced and consistent. The Tiagra 4700 series provides serious entry-level riding performance with trickle-down technology from the top shelf Dura Ace line. - Model Number: RD-4700-GS - Series: Tiagra - Cassette Compatibility: 10 - Maximum Sprocket: low sprocket: 34T / top sprocket: 12T (front double) / 20T low sprocket: 32T / top sprocket: 12T (front triple) - Minimum Sprocket: low sprocket: 28T / top sprocket: 11T (front double) / 20T low sprocket: 25T / top sprocket: 11T (front triple) - Maximum Front Difference: 16T (front double) / 20T (front triple) - Total Capacity: 39T (front double) / 41T (front triple)

Shimano's Tiagra Rear Derailleur SS (10-speed) is sleek, balanced and consistent. The Tiagra 4700 series provides serious entry-level riding performance with trickle-down technology from the top shelf Dura Ace line. - Model Number: RD-4700-SS - Series: Tiagra - Cassette Compatibility: 10-speed - Maximum Sprocket: low sprocket: 28T / top sprocket: 14T - Minimum Sprocket: low sprocket: 25T / top sprocket: 11T - Maximum Front Difference: 16T - Total Capacity: 33T