The wheel that first merged aero with high volume tires, designed to make you faster on all road surfaces. Proven on the cobbles of Paris-Roubaix. - Intended Use: Road, All-Road - Inner rim width: 25mm - Aero Optimized Tire Size: 27 â?? 32c - Tubeless-only AERO FOR ALL ROADS The SES 4.5 AR is an uncompromising aero wheel designed specifically for disc brake equipped bikes and large volume 27 to 30mm tubeless road tires. Rebellious, unconventional, and pioneering are words that describe the one of its kind SES 4.5 AR. Conceptualized for the cobbles of Paris-Roubaix through our partnership with Team Dimension Data, the SES 4.5 AR was developed to deliver top shelf aero performance, stability, and comfort for virtually any road surface. The SES 4.5 AR is available as a tubeless clincher and tubular model rim.