Road bike frame Material:full carbon fiber Finish:3K,UD Weight:from 900g With:31.6mm seat post XC-R875Full carbon fiber road frame setSize:480,500,520,540,560,580Shimano DI2 compatibleMaterial:full carbonFinish:3K,UDWeight:from 900 gramsWith:31.6mm seat post FK-R520(fork)weight from 340 grams carbon road frame