ICAN 50mm Road Bike Clincher Carbon Wheelset 700C for Shimano 10/11 Speeds Straight Pull Hub 100% carbon fiber Toray T700 road bike 700C wheelset FULL CARBON CLINCHER. HIGH STRENGTH CARBON FOR LIGHTWEIGHT PERFORMANCE-using the latest carbon forming technology, we are able to build a very strong rim from carbon only. A critical area for durability, the tire bead hook of clincher rim is up 73% stronger than other carbon clincher rims. This make wheel that is very light with positive braking performance and reliable durability 23MM WIDE RIM, INCREASED AERODYNAMICS AND IMPROVED HANDLING-the rim's 23mm width improves aerodynamics by creating a more uniform airflow over the wheel, balancing the aerodynamic forces of the rim with the leading edge of the tire AERO BLADED SPOKES-incerase Wheel Strength and Improve Aerodynamic Speed LIGHTWEIGHT, SMOOTH ROLLING, AND DURABLE HUBS-with 4 sealed cartridge bearings in the rear hub and 2 in the front, great all around durable road bike hubs