1 electric bicycle conversion kits 2 with CE approval, 3 motor: 180-250W high speed ... ,800W,1500W,2000W,etc we can supply electric bicycle conversion kits Verified Information This information is Verified by Bureau Veritas and ... Bicycle frame testing platform J05-01 1 3.0 Acceptable Front fork precision tester J05-4 1 3.0 Acceptable Battery ...