The wheels, both 12 inches in size, are made of aluminum and have a mini-bike format, with a brake disc and ABS on each. On ...

Mr Laughton used a Brompton folding bike, while Nima Kanchha Sherpa used a traditional Cube mountain bike. The current record is held by two German riders who reached 7,211m (23,658ft).

This is the product's overall performance score, based on key tests conducted by our industry experts in the CHOICE lab (and out on the road).