DS Helen Lambert from the Road Death Investigation Unit said:
"Brian Dorling's family have been left devastated by his untimely and sudden death. This was a tragic incident involving two different road users and it highlights the vulnerability of cyclists who ride alongside large vehicles."
More top news
The high of 35C was recorded on a Bakerloo line train between Piccadilly Circus and Oxford Circus at 2pm.
Weather forecasters say temperatures could reach 35C, beating the previous record of 34.6C in the scorching summer of 1976.
After years of political manoeuvring over the future expansion of Heathrow Airport, there has been an important development this lunchtime.