Note that this switch is fully round and does not have a flat D-shaped section

BSA or custom bike nicely

and on—and simple wiring setup

set it on the table and try and lift it with a large screwdriver

Triumph Bonneville

Handlebar Shims Reduce 1 inch risers for 7/8 handlebars Triumph #97-1425 Subcategory_Ignition Systems Note that this switch isThese handlebar shims, or reducers, allow you to run 7 8" bars in 1" risers or stock Triumph motorcycle p clamps. Simply place them in your risers with your bars, tighten down and you are good to go. These pieces are how the stock Triumph p clamps with a 1" inside diameter took the factory 7 8" handlebars. Factory shims, seems a bit strange but that is how it was done! These will work with any 1" riser 7 8" handlebar combo, allowing you to run some