... turnning bar Max Load: 85kg Frame material : High-tensile Steel Battery: 2pcsx12V 12ah 4.4kg heavy Range per charge: 40km Max ... Gross weight: 22.5kg Carton size: 86 x 28 x41CM Container loading: 275pcs/20'GP, 560pcs/40'GP, 650pcs/40HQ Color ... ,yellow,,blue,white,silver chain as driven electric bicycle hub battery