• The reverse.

    A power meter is a great training tool, but as I imagine your goal is to finish, then the best training you can do is as much time in the saddle as you can manage. With a dynamo, that can include training at night when the kids are asleep.

    Someone like @skinny gets a lot of benefit from a PM, but he’s training his body to run as efficiently as he can. For someone aiming to finish, that’s less of an issue.

    Electronic shifting is great but it’s another thing to go wrong and another battery to worry about charging.

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