Slide a screwdriver or other implement under the grip and give it a squirt of WD40. The grip will easily slide off. Just make sure you thoroughly clean the bars before fitting the new ones.
Ah, thanks.
And should I require to fit them again at a later date, is it WD40 again?
So, not as good an idea as all that then?Air compressor. They come off quickly.
Quickly enough to break windows...