Size: Front Sprocket 428 Chain 15 Tooth 20mm. Eye to Eye Center Length: 34mm/1.34", Mounting Hole Diameter: 20mm/0.79", Gear Inner Diameter: 17.5mm/0.69"
Application: Universal for motorcycle, such as for 50cc 70cc 90cc 110cc 125cc Dirt Pit Bike Mini Bike ATV with 4 wheel.
Easy to Install: Good quality, steel manufacturing, good corrosion resistance, heat resistance.
Notice: 428 represents the chain model, 15T is the number of gears, 17mm is the size of the mounting hole. Please verify the model number and size prior to ordering to ensure this is the right part for you.