used
clean looking
ALLOY
universal british made
finned exhaust cooling ring / clamp
approx 38 mm internal bore ( on the flat internal face , leading edge at front /rear ) may be bsa a10 a7 a50 a65 ???
may spring open slightly ! but being alloy more decorative than a solid fixing !
machine to suit !
universal brit bike chopper bobber rat bike shed bike triumph bsa norton ariel ajs matchless enfield panther velo