GOOFIT Gas Tank Cap for Honda Helix CN250 Elite CH250 Baja Roketa Hammerhead 250cc Water Cooled ATV Go Kart Moped Scooter Dimension:outer diameter 29.5mm / 55.5mm Fit for Honda Helix CN250 Elite CH250 Baja Roketa Hammerhead 250cc Water Cooled ATV Go Kart Moped Scooter Package: As shows in the main picture Arrival within 1-2 days (Sold by GOOFIT and Fulfilled by Amazon) Arrival within 7-15 days (Ships from and sold by GOOFIT)