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  1. martinw

    Neoprene Ebike Battery Covers for Cold Weather

    I used 10mm aerogel + 2mm plastic tube + a lot of spray butyl glue, some rubber and neoprene for edges... Hardest thing is to maintain it 'airproof' - then all air inside will become effective thermal isolant. After 40min of riding on full assistance (15amp consumption) in outside temp. -5C...
  2. martinw

    Open discussion for winter riders.

    I just finished thermal case for my ebike battery (Shark battery 36v 15.6ah). All sides have at least 10mm of aerogel + 2mm thick plastic case (plastic tubes for air ventilation - 1x round, 1x renctagle pipe 11cm wide) Aerogel is not most convenient material (Mechanical processing of product...
  3. martinw

    29" e-bike for commuting - reliable central motor TSDZ2 or Bafang ?

    Hi, I commute regularly following 5.5miles long route through the forest to the train station : As you can see forth and back it's ~1h 50min ride without motor (mostly gravel road not suitable for city bikes). I would like to reduce time spent...
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