4

Sadiq Khan, the current Mayor of London, was spotted riding a (strikingly regular) bike around in May 2020.

What is the contraption attached to the center of his handlebars?

odd contraption attached to center of handlebars

5

Looks to me like Shimano CI Deck gear indicators. They connect to the shifters with a little cable that pulls a dial to tell the rider what gear they're using.

enter image description here
https://si.shimano.com/pdfs/si/SI-6XJ0A-000-ENG.pdf

From the user's view:
enter image description here

2
  • not so regular after all ;) – johnDanger Jul 28 '20 at 22:26
  • These are similar in concept to the Visual Gear Display/Indicator (VGD / VGI) on many MTB pod shifters. I have a similar display on my alfine11 hub because otherwise there's no way to know what gear it is in. DI2-equipped bikes can have a wireless display module peered with the system too. Tandem riders can appreciate how hard it is to see your own cassette and chainrings when they're several metres behind you! – Criggie Jul 29 '20 at 2:40

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