Boris Johnson's transport spokesperson Isabel Dedring said the mayor had "more than tripled the level of investment in cycling since he came in".
But she added: "Because the number of people we're seeing in the cycle network has more than doubled over the last few years, we do see very clearly we need to increase that level of investment going forward."
More top news
The Labour MP expects the death toll in the Grenfell fire to be well above 79 and blames the disaster on Tory attitudes to social housing.
A large fire at a car storage yard this morning destroyed 8 cars and left another 35 damaged
Residents from Grenfell Tower who were being temporarily housed in a Kensington hotel say they were told to leave with just hours notice