17" alloy frame 26" wheel factory price 5000pcs production capacity per month PARTSMaterialSPECframecromoly 4130cromoly ... 4 bolt, ext.30mmgrip nillhead parts 10pcs, threadless parts, alloy capwasher alloy, 3*10mmB.B. parts sealed bearing, axle L: 103mmchainringalloy46T ... Front and rear axle, flywheel or chain wheel 1 year6. Electro plating, on wheel rims, rack and kickstand 6 monthsCompany Advantages1 ...