Shimano GRX ST-RX600 Shift/Brake Lever BR-RX400 Hydraulic Disc Brake Caliper - Left/Front 2x Flat Mount Caliper BLK MFPN=RFOVBOOST32BK Time lag reduced by 30%

Time lag reduced by 30% compared with BR-M9000

Oversized Grade 3 balls roll on races which are ground to a mirror finish after receiving Magnetite and then Cryogenic treatments for hardness and longevity and slippery Silicone seals to produce minimum resistance

Cage Length Short Chain Wrap Capacity (teeth) 13 Color Black/Silver Drivetrain Speeds 7 Largest Cog 24 Rear Derailleur Mount Type 10x1 Standard

The regular fit offers a balanced cut with room to accommodate elbow pads

bolt size 8mm frame mount 40mm

Shimano GRX ST-RX600 Shift/Brake Lever BR-RX400 Hydraulic Disc Brake Caliper - Left/Front 2x Flat Mount Caliper BLK MFPN=RFOVBOOST32BK Time lag reduced by 30%Shimano GRX ST RX600 2x11 Speed Left Drop Bar Shifter Hydraulic Brake Lever with BR RX400 Flat Mount Caliper Pre Bled 1000mm Hose. GRX ST RX600 Shifter Hydraulic Brake LeverST RX600 Dual Control shift brake levers provide the same light shifting operation as top tier systems Anti slip lever design Reach adjust mechanism allows lever to be adjusted to suit any hand size type of riding and individual rider preferences TECH SPECS Pad Compound Resin