* The SES 4.5 offers more aerodynamic performance than the SES 3.4 at a more manageable depth and weight than the SES 6.7* The stiffest wheel in the SES line makes the SES 4.5 the perfect wheelset for road and criterium racing* Featuring dissimilar rim geometries front to rear to maximize aero and handling performance between the front and back of the bicycle* New brake track texture improves braking performance by as much as 30% over the previous version* Patented molded in spoke hole technologies which eliminate excess material by running continuous uninterrupted carbon fibers around and throughout the entire rim* Front: 48mm deep, 18.5mm internal width, 27mm external width* Rear: 56mm deep, 17mm internal width, 25.5mm external width* Built with ENVE carbon hubs* ONLINE SALES PROHIBITED UNLESS AUTHORIZED BY ENVE