Zipp 101 XPLR Rim - 700 Disc Brake Carbon 28H Front A1Zipp 101 XPLR Rim 700 Disc Brake Carbon 28H Front A1. The Zipp 101 XPLR rim is ideal for gravel racing adventure or any long day in the saddle. Based on Zipps MOTO Technology the 101 XPRLs single wall rim construction provides excellent compliance and vibration damping. Less fatigue allows you to ride longer and faster. All day comfort and compliant ride 27mm wide internal profile Carbon construction For use with tubeless tires Less fatigue which