I didn't want the extra block stuck on my handle bars. I've installed these on my Honda vfr1200 X Crosstourer DCT. Really happy with the result and a much improved heated grip compared to the original Honda ones.
Oxford HotGrip Advanced Integrated Motorcycle Motorbike Heated Grips - Touring
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Oxford Advanced Integrated Touring Motorcycle HotGrips Motorbike Heated Grips