Shimano Altus hydraulic disc brake and lever sets feature an entry-level design that's ideal for beginner riders and riders with smaller hands. - The brake lever's versatile design matches numerous bike styles - Braking power is adjusted for entry-level riders - Pre-bled brakes for easy, quick, and clean installation

Shimano GRX SM-RT64 rotors deliver powerful and consistent braking performance in all riding conditions. The Center Lock mounting system makes installing and removing rotors quick and easy, thanks to the spline mount and lock ring design. - Compatible with both resin and metal pads - Includes external type rotor lockring