Nukeproof's remodelled Mega AM was one of our favourite enduro bikes of last year. For 2014 it gets the season's must-have mid-sized 650b wheels, with slightly altered geometry to suit. The result is ...

For a burly bike, the frame itself is surprisingly skinny up front. The 44mm head tube uses an oversized bottom cup for tapered fork compatibility, but the neck junction onto the high-set main tubes – ...