If you have tried to swap your fuel cap out from the stock "monza" on your Thruxton 1200/Speed Twin/Scrambler 1200 tank you will have found that you have been left with a strange notched ridge that is welded into the top of the tank.
Up until now your only choice was either ignore it or grind it off.
We have machined these snap-fit ring adapters out of billet to take care of this problem for you.
This sale is for the ring adapter piece only cnc machined out of 6061-t6 aluminium - wrinkle Black Powder Coat
Suitable for use in combination with any Motone Monza or Billet Gas Cap