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

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
The GRX series offers premium performance at an incredible value, with thoughtful ergonomic designs and gravel-centric gearing for all manners of unpaved adventures.

The SHIMANO GRX DUAL CONTROL LEVER delivers light and responsive mechanical 12-speed shifting for mixed-terrain riding and racing. The ergonomic shifter design improves comfort by decreasing pressure on your palms, while the textured, anti-slip brake lever surface increases control on bumpy terrain.

Features:
- Greater comfort and control on mixed terrain
- Gravel-specific brake lever and bracket ergonomics
- Anti-slip coating on brake lever surface
- Optimized for use with flared handlebars

Product specifications:
- MODEL NO - ST-RX820
- SERIES - GRX 12-speed
- Colour - Series colour
- Average weight - 283
- Bracket cover colour - Standard
- Shifter type - DUAL CONTROL LEVER
- Brake lever - Brake hose (kit) - SM-BH90-JK-SSR
- Brake lever - Hose joint - Straight
- Brake lever - Brake hose colour (kit) - Black
- Brake lever - Recommended brake caliper - BR-RX820
- Brake lever - Oil - SHIMANO Mineral
- Brake lever - Reach adjust -
- Brake lever - Funnel bleeding
- Brake lever - Free stroke adjust
- Brake lever - SERVO WAVE
- Clamp band - Diameter (mm) - 23.8-24.2
- Shift lever cable - Outer casing - Lever side - OT-SP41
- Shift lever cable - Inner cable - Polymer-coated cable

Caliper specification:

- Model No. BR-RX820
- Series GRX 12-speed
- Colour Series colour
- Average Weight 146 (Front) 136 (Rear)
- Brake Type Hydraulic disc brake
- Brake Hose (Kit) SM-BH90-JK-SSR
- Hose Joint Straight
- Brake Hose Colour (Kit) Black
- ICE TECHNOLOGIES pad compatible caliper 
- Pads L05A-RF Resin (w/ fin)
- Fixing Screw Spec for Rear Mount 10 mm mount, 15 mm mount, 20 mm mount, 25 mm mount, 30 mm mount, 35 mm mount
- Recommended Brake Lever ST-RX820, ST-RX820-LA, BL-RX820-L
- Recommended Disc Brake Rotor RT-CL800
- Oil SHIMANO mineral
- ONE WAY BLEEDING 
- Mount Type Flat mount
- Piston 2
- Caliper Fixing Screw Tool size: 4 mm, Anti-loosen method: Screw fix pin + Snap ring
- Pad Mount Pad axle

The kit contains a bled shifter/brake, flat mount brake calliper with pads, hose, and mineral oil, but excludes the rotor and adapter

Genuine, brand new, boxed Shimano product - Biketart are an official UK Shimano stockist.