This 90 tooth #25 chain sprocket is the standard rear drive sprocket on most Currie Technologies electric scooters. This sprocket has a threaded center hole with an inside diameter of 1-3/8".
Currie Technologies manufactures Schwinn, Mongoose, e-Zip, & IZIP electric scooters and electric scooter products making this sprocket very versatile. This sprocket is compatible with Currie products using 12" or 12 1/2" tires.
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