ENVE Composites SES 4.5 Front Wheel - 700 12 x 100 Center-Lock BlackWhen speed across most any terrain is priority number one, look no further than the SES 4. 5. Originally designed for the cobbles and crosswinds of Paris Roubaix to provide an aero benefit with high volume tires, the SES 4. 5 was the first of its kind and is now re designed to deliver more speed in a lighter package. Go fast, everywhere INNERDRIVE premium disc road hub Centerlock only (lockrings not included) 1511g Wheelset Weight Avg. (XDR) (+ 2%)