Aviation grade 6061t Aluminum
Knurled side for extra grip
Lower threaded part of the cap has a spring-bound valve system centrally located in the middle of the bung. This connects to 3 vents in the top part of the cap to allow alleviation of any pressure that may build up inside the tank.
Petrol-resistant o-ring seal sits on the top of the thread.
Some models it will fit include: Bonneville, T100, America, Speedmaster, Thruxton. It will also fit on the HD Sportster and other right hand thread HD
FITS ALL YEARS BONNEVILLE THRUXTON AMERICA T100 SPEEDMASTER SE SCRAMBLER : 2001-2015 Present - Fits both CARB and EFI bikes