This kit comes with a 48V500W controller. If you like 36V350W controller with the same motor. The brand new 34T-42T crank-wheel weighs only 570g, which is 25% less than the previous generation.
The new crankset is mounted on the bottom bracket directly, together with the high quality bearing and freewheel, the new crank set is more durable than the previous version. Strengthened motor with improved belt reduction system. This kit has 30% wider belt (20mm) than the previous version.
Along with the new tensioner system, the kit can now handle more power. The durability is also improved. The replacement belt can be bought here. This kit requires BIKE WITH 68mm BOTTOM BRACKET. Completed conversion from our buyers.
The Chain reduction mid drive kit is capable of doing offroad and downhill mountain biking. Freewheel clutch system allows you to pedal the bike without turning the motor.Meanwhile, you don't need to pedal while the motor is running. Much higher efficiency than hub motor as you can shift gears. In addition, motor can run at high rpm (Most efficient) thanks to the reduction system. You can pedal and use the motor at the same time to increase power. Designed for all 68mm bottom bracket bike, which is the commonest type bike frame. Unlike conventional hub motor and side mounted kits, the centre of gravity of mid drive kits are low and right in the middle of the frame. Thus, you can handle the bike comfortably and easily. You can obtain high top speed and high torque for climbing hills by choosing the right gears. Light weight: the freewheel crank system is made by alluminium alloy and the mounting bracket is simple and clean. Thus you will only add extra 2-3kg to your bike normally after replacing the old crank set and bottom bracket. Easy to install: Only basic techniques are required and you can ask for our help online. Why GNGelectric mid drive kits? Replacement parts can be supplied. Professionals help you to solve problem on installing the kits. Can I install the kit on my 18 speed/24 speed bike? This kit is designed for all types of bikes with 68mm bottom bracket. Do I need to pedal when the motor is working?
No, this kit has build-in freewheel in the crank set and in the motor. You do not need to pedal when the motor is working. Also, the motor will not spin when you are pedaling. This allows you to have the normal function of a bike. Is the kit include batteries?
No, the kit includes all the parts you need except batteries to convert the bike into electric bike. Where should I mount the batteries? We do not provide the battery box. But you can install it above the rear wheel on rear rack, or even make a box(need some DIY skills).
You can design whether the batteries can take out or hard wired. These charges are the buyers responsibility. While we will declare lower price and mark as a gift. The item "2015 UPGRADED 48V 500W BRUSHLESS MID DRIVE ELECTRIC BIKE CONVERSION KIT (belt)" is in sale since Friday, March 18, 2016.This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Other Bike Components & Parts". The seller is "gngelectric2011" and is located in default, default. This item can be shipped worldwide.