Shimano Ultegra WH-R8170-C60-TL/CL Disc Wheelset

For situations where aerodynamics is the priority, the new ULTEGRA R8170 C60 wheelset features an all-carbon, 21 mm internal, tubeless compatible rim and a super-fast cup and cone bearing hub that is compatible with both 12 and 11-speed cassettes.

Specification:

60 mm height full carbon rim

Internal rim width: 21 mm

Shared rim profile with R9200 DURA-ACE wheels

Internal rim width: 21 mm for optimal tire support.

Improved aerodynamics