700c, 27-Inch & 650c

The SES 2.3 is purpose-built for going up. Ultra-light, respectfully aerodynamic, and optimized for tubeless tires the SES 2.3 raises the bar for performance through hilly and mountainous terrain. - Front and rear optimzed depths and shapes (27mm front, 32mm rear) - 21mm internal width is optimized for ENVE 27mm tires - Hookless tubeless rim is compatible with 25mm-32mm tires

ENVE let the science guide their quest for the ultimate aero road wheel and the SES 6.7 resulted. Beyond 70mm depth, aero gains taper off as weight increases. The SES 6.7 strikes the ultimate balance between aero efficiency, stability, and weight savings. The SES 6.7 replaces the venerable SES 7.8 as the flagship aero wheel model in the SES lineup due to its lower weight, greater versatility, and matched drag reduction. - Front and rear optimized profiles (60mm front, 67mm rear) - 25mm internal width optimized for 27mm ENVE tires - Hookless tubeless rim is compatible with 28mm-50mm tires