What is Electric Bicycle?A bicycle with an electric motor that helps to move the bicycle forward even when the rider is not turning the pedals, also often used to refer to any bicycle with an electric motor, including those where you must turn the pedals.The Electric Bicycle's battery is good for miles after which you can still pedal.If you have already own a bicycle, you can convert it into an electric bicycle to make your journey easier.Description[motor chainring adapter][Applicable motors]Perfectly compatible with for Bafang electric bicycle mid drive motor.[Scope of application]104BCD: suitable for 32T-55t 4-hole positive and negative chainrings; 130BCD: suitable for 38-60T 5-hole positive and negative chainrings.[Specification]104BCD: Diagonal hole distance 104mm, thickness 3mm;130BCD: Diagonal hole distance 130mm, thickness 2.5mm [Material] made of high-quality CNC cutting Aluminum alloy material, anodized treatment[ATTENTION:If you choose waterproof accessories for modification, then your other parts also need to choose waterproof accessories before they can be combined into a set successfully.]Note:1. As we all know ,the different computers display colors differently,the color of the actual item may vary slightly from the following images.2. If you feel difficult to choose the size ,you can feel free to contact mewe will give you some suggestion,but it is for you reference only.3.We could accept Mixed items,Colors And Sizes Order. The more quantities, the more discount.Package Included:1 pcs chainring adapter

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