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 SD-4007-1 Home | New Arrivals | Nintendo Wii | Playstation 3 | Electric Scooters | Razor Scooter Parts | Scooter Parts | Electric Bikes | Ezip Scooters | Xbox 360 | Nintendo 3DS | Apple | Shipping | FAQ | About Us | Scooter Laws | Warranty & Returns | Show Order