it s a direto x system of two years and month old
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When you plugg the power in the trainer makes a buzzing sound like normal and the lights are corectly coloured. but then
When I hitt the pedals ithe tainer the sound... krak krak krak and sooooo hard I can turn the pedals a half tour and then my whole weight on the other one...
Please help me, I want to train during the winter...