17" alloy frame 26" wheel factory price 5000pcs production capacity per month PARTSMaterialSPECframecromoly 4130cromoly 4130 ... , Z410 rimalloy700C*13G*32H, double wall, H:50mm, CNCfront huballoyhigh flange hub, 3/8"*100*140*13G*32H, sealed bearingrear huballoyhigh ... . Front and rear axle, flywheel or chain wheel 1 year6. Electro plating, on wheel rims, rack and kickstand 6 monthsCompany Advantages1,Top ...