... Mountain bicycle AF720,21S bicycle1.frame:26"*19"suspension frame,front triangle alloy,rear triangle steel,with water sticker and alloy ... :KMC Z506.pedal:FP902,half alloy,with CPSC reflector7.hub:front Access AE-818FDQ,alloy hub;rear Kunteng KT-M65R.suit for ... lever:Shimano EF50-3L/7R,with lever,21S index15:derailleur:front derailleur TZ30,rear use RD-TX30 indexWe can according to ...