It's rider versus machine in the second part of our electronics special! This week we take a look at the different ways unseen systems determine a rider’s options. From electronic fuel injection to traction control and full drive-by-wire bikes, this is the story of machines performing clever mathematics at high speed. But it’s also the story of ambitious engineers offering riders some clever digital assistance – and all the ways in which those overly helpful boxes can accidentally become overbearing hindrances...

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