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Ingenious Mechanism Turns Any Fixed Gear Frame into a Folding Bike

Bikes which fold up aren't new, but the idea does tend to be along the same lines as most new products - you can't really retrofit your old bike, so you need to buy a whole new one. But thanks to a new mechanism designed by Philip Crewe, the day when you can turn your [...]

February 15, 2012
5:55 PM EST
Bikes which fold up aren't new, but the idea does tend to be along the same lines as most new products – you can't really retrofit your old bike, so you need to buy a whole new one. But thanks to a new mechanism designed by Philip Crewe, the day when you can turn your favorite ride into a folding bike just got a little closer.
Crewe's design is based on the addition of two different parts to the frame, one locking hub and two hinged pieces, but other than that, there is no other major fabrication involved. The biggest limitation to this design is that it only works with fixed gear bikes, as any bicycle with gears will have to also have couplers on the shifting cables (or the brake cables, in the case of a singlespeed).