5 of the best bicycle helmets

Kranium

£TBA, anirudharao.com
Would you have ever guessed a helmet made from, ahem, bog standard cardboard would be stronger than current polystyrene efforts? If you did then you should have patented it. The Kranium – which uses acrylic for waterproofing – is stronger than most helmets even after five impacts. And it's on route to becoming the new helmet style of choice when it gets unleashed soon.