SRAM Rotor Centerline 220mm (includes Steel rotor bolts) BPW the ULTEGRA C60 wheelset shares

the ULTEGRA C60 wheelset shares its all-carbon rim profile with DURA-ACE but employs a hub that is compatible with both 12 and 11-speed cassettes

Rechargeable Yes

check the battery charge level

Optimum Charging Temp 20 To 22 °C / 68 To 72 °F (Room Temperature)

Upgradeable to a power meter

SRAM Rotor Centerline 220mm (includes Steel rotor bolts) BPW the ULTEGRA C60 wheelset sharesSram Rotor Centerline 220mm (includes Steel rotor bolts) Features Rounded edge for improved safety, UCI compliance, and easier wheel installs Centerline rotors provide a smooth, consistent, and quiet braking surface Provides consistent friction throughout the rotation, minimizing vibration Specifications 1 piece design Includes steel rotor bolts Hub Disc Compatibility: IS 6 Bolt Pad Compatibility: All Pad Compounds Mfr Claimed Weight 114g