My brain is in meltdown and my body in need of panel beating, for yesterday, with 26,999 others, I completed the 54 miles of the London to Brighton bike ride. Pedaling like fury while crawling inch by inch up the mighty Ditchling Beacon I decided to take my mind off my screaming thighs by compiling a Tech Digest top five gadgets that would make the London to Brighton bike ride a lot more pleasant…