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Experience superior braking performance with the Shimano SM-RT64 disc brake rotors
At just 45g
Designed with advanced technology and an elegant finish
the smooth-shifting drivetrain ensures you’re always in the right gear
Shimano Tiagra ST-R4020/BR-RS405 Hydraulic Disc Brake Set Pad Material:Resin w/Fin Experience superior braking performance withThe Shimano Tiagra ST R4020 BR RS405 brake set delivers a complete hydraulic braking and shifting solution for modern road bikes. Designed as a full assembled system, it ensures seamless integration and reliable performance right out of the box. Refined Ergonomics for Better Comfort: The ST R4020 dual control levers feature an updated shape inspired by Shimano 105, offering improved ergonomics for a wide range of hand sizes. The shorter reach distance