New bicycle electric of 700C 1)Motor: 250W ... Frame:alloy 3)Derailleur: Japan Shimano 6~7 gears New Bicycle Electric of 700CSpecification:1. Motor: Rear drive, ... off 12. Improved PVC fenders, flexible & unbreakable13. Zoom adjustable handle bar14. With unique cable-hub, easy maintenance15. Charging time: ... , 36V/9Ah Panasonic li-ion battery, quick-release handle bar, front disk brake, VELO Gel saddle with ...