This #25 chain is made by Currie Tech. This chain is designed for most 400 series scooters by Currie, Ezip, GT, Schwinn, Mongoose & Izip Electric Scooters.
SD-4007-1 is a #25 Chain with 118 Links. It is used on all 400 series scooters by Schwinn, Ezip, Izip & Currie.
Works with: E400, S400, I400