There’s no two ways about it, turbo training is dull. Saddle up in your garage or shed and you’ll invariably have a wall to stare at. Maybe the patio if you’re lucky.

Or, if you really feel like splashing out, there’s Sufferfest videos to ride along to, or even a host of expansive (and expensive) virtual reality trainers.

But this, on London’s Victoria Embankment, is taking turbo training to a whole new level. A Boris Bike on rollers. 

Yep, you read that right.