VERTU CCAV-S Cycling Bike Bicycle Hollow Out Seat Saddle - Black Lightweight breathable saddle 24 degrees declination nose design, can prevent organ compression cycling and climbing; resistance to bending paint the cushion body use of patent Ultra light weight, high strength and high toughness materials production technology Better to avoid the paralysis, the vascular flow;The surface has 40 diversion hole, rapid flow makes the cushion and riding trousers ventilation cooling, make riding more comfortable;