The new ULTEGRA R8170 C50 wheelset offers the optimal blend of aerodynamics, weight, and attractive price. Experience more action while riding thanks to the carbon rim and updated 12- and 11-speed compatible hub. Whether it's long climbs, winding descents, or cruising on flat terrain, the new C50 model is the all-rounder in the new ULTEGRA R8170 wheel lineup. The tubeless carbon rim features a rim internal width of 21 mm, making it ideal for wider, modern tires. Additionally, the housing of the freehub body is compatible with 11- and 12-speed cassettes.