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  1. M

    Solar trailer rides again!

    After two days of rest and preparations, today I set out on 33 days of leave. Heading north, following the coast, avoiding ferries on this busy first few days, bypassing terrain within easy reach of home, with no firm objective except live within my energy means and be back in time for work on...
  2. M

    Mid-drive chain and drive train wear measurements

    At 5941km, I am doing a deep clean of drive and rear wheel areas ahead of chain and cassette replacement, and bearing adjustments. I know there is interest in the accelerated wear of drive train components on mid-drive ebikes, so I thought it might be interesting to put up some pictures and...
  3. M

    Are these cells genuine or is the wrapper a clue?

    Is the misaligned printing normal, or a sign of not really Samsung cells? What are the giveaway signs of counterfeit cells?
  4. M

    Solar trailer build

    Spring is just around the corner, and today is dry. I finally could resist no more, and so the first of my Sunpower 110W solar panels has finally made it out of its box, onto a heavyweight piece of plywood and into the wind and occasional sun. As the picture shows, for 'open' systems, adding...
  5. M

    TSDZ2 blue gear spares

    Taking first steps with a conversion, having been very impressed with my loan scheme Ridgeback X2 with low end Shimano e5000 system. I do hills and trailer towing, so I like range rather than speed and power, so for me it is mid-drive and a choice between Bafang and TSDZ2. I can't imagine not...
  6. M

    Real data from a simple datalogger

    I've recently fitted a simple datalogger setup to my bike and I thought some initial results might be interesting. This is a standard shimano e5000, so an off the shelf 250W EN whatever fully compliant commercial system. Having read the wonderfully imprecise standards around the 250W number I...
  7. M

    Wanted Non-working or empty case of Shimano battery... 8014 or 8010 for choice

    matthewslack submitted a new listing: Non-working or empty case of Shimano battery... 8014 or 8010 for choice - Non-working or empty case of Shimano battery... 8014 or 8010 for choice Learn more about this listing...