... Battery: lithium,36V/10Ah, Frame:alloy 3)Derailleur: Japan Shimano 6~7 gears New Bicycle Electric of 700CSpecification:1. Motor: Rear ... Battery: lithium, 36V / 10Ah3. Derailleur: Made-in-Japan, Shimano, outer 6 or 7 gears, precise and reliable shifting4. Frame: Aluminum alloy5 ... Loading capacity: 125kg21. Seat post: folding or Suspension22. N.W: 28.0kg 23. G.W: 32.0kg24. Carton size: 145 X 26 X 90CM25 ...