Rim made of 100% carbon with a height of 50 mm. Inner rim width: 21 mm. Rim profile shared with the Dura-Ace R9200 wheels.

Improved aerodynamics.

Features: Epic climbs, tight corners downhill, or high traction on flat terrain - the new C50 represents the ultimate versatility among the new Ultegra R8170 wheels. The tubeless carbon rim has an inner width of 21 mm, perfectly compatible with wider modern tires, while the Hyperglide cassette body is compatible with 11- and 12-speed cassettes.