This is aimed at reversing the drop in numbers of riders taking the test, which was caused by a move in 2009 to replace local centres with a smaller number of test "super-centres" where off-road manoeuvres could also be assessed.

BBC: The rush to the scooter

With a wheel off design and super flywheel, the iPhone connected bike trainer is engineered to produce an ultra-realistic road feel, equivalent to the inertia of an actual rider on the road.

ENGADGET: Wahoo KICKR Power Trainer lets iPhone cyclists feel the simulated burn (video)