A year back, when I opened "Directions" on my phone, below the start and end point, where 4 options:
Now cycling is replaced by "Ride Services" which I never use, and do not care about. How can I get "Cycling" back?
If your issue is that the bicycling mode of transportation is not available to you, it means that it is not available in your country. There are few countries where this mode of transporation is enabled.
In the same thread you find instances of it being available earlier but not anymore.
Sadly there's no list of supported areas and Google never announces where it's rolling out beforehand.
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