B Type Roller Chain Sprocket 19 Teeth 12mm Bore Stainless Steel Motor Gear - Walmart.com
60H Heavy Roller Chain (Heavy Duty)
ANSI Standard Roller Chain - PEER Chain
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
Double pitch roller chains according to DIN 8181 (ISO 1275)