Gas cap used on many models and brands of street scooters, including top brands such as Baja Motorsports, Honda, Roketa, SunL, Tank, Vento, and X-Treme
This cap is universal in size and also is compatible with many additional smaller gas scooter lineups
30 Day Warranty Description

Gas cap used on many models and brands of street scooters, including top brands such as Baja Motorsports, Honda, Roketa, SunL, Tank, Vento, and X-Treme.
This cap is universal in size and also is compatible with many additional smaller gas scooter lineups.
This fuel cap fits many GY6 engine sizes of 50cc, 125cc, 150cc, and even larger 250cc scooters.
Tab end to end distance is 35 mm.
Inner diameter of cap is 50 mm.
The outer diameter is approximately 54 mm.