Road bike frame Material:full carbon fiber Finish:3K,12K,UD Weight:from 870g With:31.6mm seat post XC-R816Full carbon fiber road frame setSize:440,490,520,550,580 Material:full carbon fiberFinish:3K,12K,UDWeight:from 870g With:31.6mm seat postFK-R801(fork)Weight: 360g carbon bike road frame