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  1. M

    Oxygen eMate: is this a special rear axle nut ?

    I picked up a second hand Oxygen eMate MTB 13Ah bike about 900 miles ago, and it now needs new rear brake pads, but when trying to drop the wheel out one nut comes undone as expected (gear side) but the other one doesn’t seem to turn, but putting effort on the spanner causes the centre of the...
  2. M

    Help! Looking for battery control board advice for Oxygen eMate 13Ah MTB 2015

    Hi all, I picked up a great value eMate a few weeks ago as an unwanted PX at a local bike shop - they said the battery had been fixed as it was dead at trade-in. It's cut out on me 3 times in 335 miles, each time in heavy rain, and it always came back after a minute or two off, until this...