Hello and thank you for taking your valuable time to look at my posting. Here available to you is a Full BMC High Performance Kit The Battery is a 36V 10AH Along with battery charger charges up to 43.8V @ 4 amps ( 1/2 time faster and smarter than standard chargers out there) The controller is rated for 36v - 60V With Continuos Current of 50A Comes with lighted twist throttle ( 35 dollar value ) If your looking for something reliable fast with reliable torque no need to look any further. This kit is brand new and fully tested. This kit is great for all around use and very universal. You can install on Mountain Bike Beach cruiser, Road Bike, Recumbent, Tri-Cycle and many more applications. This kit is rated to give you over 25 miles of range. with no pedaling traveling at a constant speed of 18 miles an hour with a rider that weights 180 lbs Flat surface. I Have spokes for 26" wheel and 700C so let me know what your applying it to. ( NOTE THAT IT IS FOR LACING RADIAL AND NO CROSS ) ( 60 dollar value ) HASSLE FREE If you never heard of the BMC motor system. Please do some research and you will be educated to know that this is a high performance kit and used for the real world adventure. Thousands of people world wide rather not get an electric kit that is from china rather than from India and fall under the impression that they are buying quality vs cheap knock off. Remember that this motor is a hall sensor motor and with that said have above all the best efficiency and low to NONE rolling resistance vs a sensor less hub motor.