Ofo has entered talks with SoftBank to lead a $1bn round that would include existing investor Didi Chuxing, just three weeks after closing a $700m series E round.

China-based bicycle sharing service Ofo has begun talks to raise up to $1bn in a round that would be led by telecommunications group SoftBank, Reuters reported today, citing people familiar with the matter.

Ride hailing platform Didi Chuxing could also participate in the round, which would value Ofo at almost $3bn, according to the sources.

Ofo runs an app-based bike rental service that has more than 100 million registered users across 150 cities spanning China, Singapore, the UK and the…