On Wed, 18 Jan 2017 11:59:31 +0000, Roland Perry
wrote:

In message , at 11:34:50 on Wed, 18 Jan
2017, d remarked:
http://www.thetimes.co.uk/article/li...en-blaze-of-gl
ry-wsj3zmcsw?shareToken=68b0f8ea451b09f937d21c37c9959 36c

Seems like a good idea until you think it through and realise drivers don't
generally look at the road surface and it'll be completely invisible in
mirrors. Might be useful for pedestrians crossing but other than that it
I suspect its a waste of money.

Is it even legal?

Presumably, as they're being fitted to Sadiq's Cycles.