... mtb carbon bicycle frame We are supplying :High performance carbon fiber bicycle frame, carbon bicycle wheelset , carbon handlebar , carbon bicycle saddle , carbon front fork , carbon bottle cage , carbon seatpost ,carbon headset ,clamp ,bar end ,carbon spacer ... and the other high quality bicycle accessories. Model ,SP-AC0136 Type ,27.5er(650B) mountain frame Material ,full carbon Size ,16"/18"/20" ...