Shimano GRX ST-RX600 Shift/Brake Lever BR-RX400 Hydraulic Disc Brake Caliper - Left/Front 2x Flat Mount Caliper BLK ISO Diameter-406 / 20 BMX an extra tooth on each

an extra tooth on each pawl

Torsion Cap Construction: Enhanced durability and targeted flex characteristics for versatile performance

Model SRS Pro Carbon Size S/M Rails Carbon Top Microfiber Color Black LxW (mm) 247x140 Weight 180g

8 Tubeless Folding Black Evolution Super Ground Addix SpeedGrip

Perfect for Boost Super Boost and 197 hubs it ensures smooth precise installations eliminating makeshift solutions

Shimano GRX ST-RX600 Shift/Brake Lever BR-RX400 Hydraulic Disc Brake Caliper - Left/Front 2x Flat Mount Caliper BLK ISO Diameter-406 / 20 BMX an extra tooth on eachGRX 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 Brake Lever Actuation Hydraulic Double or Triple Double Rotor Included No Brake Caliper Mount Flat Mount Brake Lever Use Left Rear Der Shifter Compatibility Shimano