Designed to position the rider for optimal power transfer and comfort its body geometry channel maximises blood flowpatented body geometry design is lab tested to assure blood flow to sensitive arteriesstiff carbon reinforced shell for longevity and all day riding efficiencylightweight and supportive pu foam with gel inserts for increased comfort over longer rideslightweight and durable hollow titanium railstough light weight and water resistant micromatrix coversize 143mm weight 218gsize 15