While a solid idea in principle, SPD-compatible sneakers have tended to fall short when it comes to off-the-bike comfort. Simply put the soles tend to be far too stiff to make them much use when you stop pedaling.
As a committed Brompton-user David Millar likely struggled with this conundrum. Do you wear regular cycling shoes that allow you to clip in and carry 'street' shoes in a bag? Or go you instead rapple with the aforementioned comfort issue of the SPD cycling sneakers? In David's case , as co-owner of CHPT3, he went for a third option - design your own pair that combine on-the-bike functionality with all-day walkability off it. And three years later we have the Transit 2.0...
