£107 reduced to £25. I bet they are, because that switch is awful!
https://www.mandp.co.uk/products/daytona-heated-motorcycle-grips-built-in-3-stage-switch-22mm-7-8-open-end-739737
I am wide at the shoulders so I always tend to grip the handlebar exactly where that switch is!
Whilst not really any better, the switch looks like it can be mounted on the inner part of the tube