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  1. J

    Oxygen E-Mate - Replace Battery and BMS

    Hi Folks, Just wondered if anyone had any suggestions for replacing the battery and BMS on a circa 2014 Oxygen E-Mate (like this). Battery specs are: Herranker/Das Kit 36V/13AH I've identified several possible replacements but wondered if anyone had any tips before I buy a full...
  2. J

    Oh God- What have I done?

    Wonder if anyone can help with this- not feeling too confident at the moment... Bike is a Burisch Synergy GT (2012 model). Decided I'd like to increase upgrade various facets including cadence (see Burish thread) so I bought a 11T freewheel cassette from China. One of the problems (now...