• I also have dual sided vectors.

    I had the first version where you clamp the pod into place with the pedal axle, and they essentially worked perfectly for a year swapping between bikes with very few issues. Then the pod snapped (at c.10newtons of force) so I got them repaired under warranty and most (although not all) of the parts were upgraded to the V2 version.

    In the 6 months since the repair I've ridden very little so it's hard to give an accurate impression. Initially it was almost impossible to get them to pair, but since the initial teething problems I've not really had any difficulties. Battery drainage seems to be worse on the V2s and I seem to have a different pedal balance than previously (which is somewhat worrying) but broadly speaking I'm pretty positive about them and no real regrets.

    That said, if I had to buy new today I'd almost certainly go with power2max.

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