1,Full carbon bicycle seat 2,100% pure carbon fiber 3,Full carbon fiber alxe 4,EN ... prompt delivery 2012 Best Price! 100% Carbon Fiber Bicycle Seat Stay, Carbon Bike Saddle Classic design, 100% pure carbon fiberFull carbon axleSize: 274 ... x 124mmWeight: 100+/-10gEN standardFinish: 3k gloss/mattShipping: Will ...