1). This kit is for the bike that uses the disc brake and the disc mount diagonal distance 44mm.
If your bike uses a V brake or coaster brake, this kit is not compatible with that bike, please choose other kits.

If you are not sure of your bike type, please send me your bike picture, so I can recommend you the correct kit.

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2). The motor bracket may not fit your bike frame, then you need to modify the bracket by yourself, please confirm this.

If you do not know how to modify it, please send me your bike picture, so I can give you suggestions.

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3). This kit is just for people riding bikes easily, it is not fast (the 26-inch bike with a 250W or 350W motor can run about 25km/h, and the 450W can run about 35km/h), you’d better pedal with the motor power, this can ride longer, please understand.

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4). The difference between 24V and 36V is the working current, if you want to ride longer, I recommend a 36V kit.

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5). This kit does not include the battery, you need to buy the battery separately, the lead acid battery and the lithium battery are all ok, and the battery capacity I recommend 24V 15Ah and 36V 12Ah.

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6). This controller comes with 1 fuse wire and 3 fuses, if you burn 1 fuse, you’d better note what makes it burnt and avoid this happening again, or please feel free to contact me for help.

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7). This item has 2 throttle types for choice, if you want the twist type, please choose the “key throttle” option, and if you want the thumb type, please choose the “thumb throttle” option, thank you.