Garmin Forerunner 255 Music GPS Smartwatch - 45.6mm Whitestone Hole Count-20H Rotor construction uses Shimano FREEZA

Rotor construction uses Shimano FREEZA technology to boost heat dissipation and reduce fade

10 replaceable pins per side

NOTE: The CSB-1 is intended only for use with carbon fiber

Brake Lever Actuation Hydraulic Rotor Included No Color Black Brake Caliper Mount Flat Mount Hydraulic Fluid Type Mineral Oil Brake Lever Use Right Pad Compound Resin Rear Der/Shifter Compatibility Shimano Road Hydraulic Hose Length 1700 Includes Brake Disc Brake Type Disc Adjustable Reach Yes Drivetrain Speeds 12 Defined Color Black Front Der/Shifter Compatibility Shimano Road

Turbo Levo SL eats up big miles and long days

Garmin Forerunner 255 Music GPS Smartwatch - 45.6mm Whitestone Hole Count-20H Rotor construction uses Shimano FREEZARun at a higher level with the Forerunner 255 smartwatch These running smartwatches help you train and recover smarter with training status, running power, multi band GPS and daily suggested workouts that adapt to your performance and goals Plus, other new features such as race widget help you plan your race day strategy, and morning report with HRV status reveals your overall health alongside the day ahead And with Garmin Pay contactless payments