Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Left 2x10-Speed Black ModelNumber=K6477 Eight high-powered LED emitters offer

Eight high-powered LED emitters offer top visibility and seven output modes including a daytime flash mode (up to 30 lumens) and our Wide-Angle Optics for up to 270-degree of visibility

Less fatigue on long tours

T20 T25 bits

Brake Track None Color Black Defined Color Black Hub Drilling 24 ISO Diameter 622 / Road / 29" Manufacturer Spec ERD (mm) 596 Rim Center Offset (mm) 0 Rim Material Alloy Rim Width (Internal) 20 Tire Type Tubeless Ready Valve Presta Weight 450 Wheel Size 700c

Truing stand for wide size wheelHeavy bottom plate makes the stand stable at all heights

Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Left 2x10-Speed Black ModelNumber=K6477 Eight high-powered LED emitters offerShimano GRX ST RX400 Hydraulic Brake Shift Lever Left 2x10 Speed Black. GRX ST RX400 Brake Shift Lever & Disc BrakeGravel inspired Dual Control shift brake lever and bracket ergonomics Anti slip brake lever Same light shifting operation as top tier systems Tooled reach adjust allows for lever to be adjusted to fit multiple hand sizes and riding preferences Compatible only with FD 4700 and FD RX400 front derailleurs and RD RX400 and RD 4700 rear