ST-RX600/BR-RX400 11 Speed STI Lever & Disc Brake

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.

Features:

- GRX hydraulic disc brake STI's give you control, modulation and power with minimal effort in all riding conditions
- Raised hood head prevents hand misalignment and slippage
- Anti-slip texture and brake lever coating gives higher braking efficiency and reduces fatigue on long rides
- Weight: 306 g

Product specification:

MODEL NO: ST-RX600
- SERIES: GRX 11-speed
- Colour: Series colour
- Average weight: 307
- Bracket cover colour: Standard
- Shifter type: DUAL CONTROL LEVER
- Shift lever:
- Rear speeds: 11
- Max. multiple shifts (main lever/rear): 2
- Compatible rear derailleur type: Road 11-speed
- Brake lever:
- Brake hose (kit): SM-BH90-JK-SSR, SM-BH90-J-SSR
- Hose joint: Straight
- Brake hose color (kit): Black
- Recommended brake caliper: BR-RX810
  Oil: SHIMANO Mineral
- Reach adjust
- Funnel bleeding
- Clamp band:
- Diameter (mm): 23.8-24.2
- Shifter lever body
- Release: Resin & Steel
- Shift lever cable:
- Outer casing (Lever side): OT-SP41
- Outer casing (Rear derailleur side): OT-RS900
- Inner cable: OPTISLICK

Caliper specification:

- MODEL NO: BR-RX400
- SERIES: GRX 11-speed
- Colour: Series colour
- Remarks: Front spec with adaptor
- Brake type: Hydraulic disc brake
- Brake hose (kit): SM-BH90-JK-SSR, SM-BH90-J-SSR
- Hose joint: Straight
- Brake hose color (kit): Black
- J-Kit spec (for OEM): Yes
- ICE TECHNOLOGIES pad compatible caliper: Yes
- Pad: L05A-RF Resin (w/ fin) 

- Recommended disc brake rotor: SM-RT64
- Oil: SHIMANO mineral
- ONE WAY BLEEDING: Yes
- Mount type: Flat mount
- Piston: 2
- Caliper fixing screw: 4 mm, Screw fix pin+Snap ring
- Pad mount: Pad axle

Left shifter is 2-speed, right shifter is 11-speed.

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