Electric Scooter, Bicycle, Pocket Bike and Go Kart Chain - ElectricScooterParts.com
Roller Chain Size Chart - MROSupply.com
Amazon.com: Jeremywell #35 Roller Chain 5 Feet (159 Links) + 2 Master and 1 Offset Links for Go Karts, Mini Bikes, Motorcycles, Dirt Bike and Industrial Machinery : Automotive