No need for a doublezumping, wicks if you want the 12 it's yours (I've got two, but I seem to have worn through the previous 12t in about 6 months, so I'm stockpiling! As 12s can be hard to get hold of)... Although I'd recomend getting a recessed lockring as most lockrings are too wide for a 12t.
They are $10 on milwakee bike co, but then you've got to get it too the uk...
No need for a doublezumping, wicks if you want the 12 it's yours (I've got two, but I seem to have worn through the previous 12t in about 6 months, so I'm stockpiling! As 12s can be hard to get hold of)... Although I'd recomend getting a recessed lockring as most lockrings are too wide for a 12t.
They are $10 on milwakee bike co, but then you've got to get it too the uk...