bicycle frame 1,mountain bicycle frame, 2,aluminum bicycle frame 3,factory direct price,TUV approved 4,customized ... Bicycle FrameModelFM-K1010Material7005 Aluminum alloySeat Tube30.8Head Tube44Bottom Bracket31.8Weight1.876kgsFinishBlack/yellow; red/white; blue/white; silver/whiteAdvantagesAluminum alloy material, super lightHigh intensityHigh ...