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  1. J

    Tongsheng problem

    My son in law's bike has lost power. He rides it all the time in top gear turbo (in spite of lots of warnings not to!) The pedals are hard to turn even with the chain removed. Has anybody had this problem? The main Sprag clutch is good. Does the blue gear have a clutch as well? I'm...
  2. J

    Dodgy batteries ?

    Hi everyone, I am a new member of this group and new to ebikes. I purchased 2 Tongsheng kits and was advised to buy battery packs with known cells i.e. Samsung, LG, Panasonic and the like. I bought 2 packs from the R-Team with supposedly PANASONIC cells. A couple of weeks ago the charging port...