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    Carrera Crossfire - Modify Gearing

    We live in Cumbria, so we have some lovely but severe hills. The bike is around 4 years old and has done 2000 miles, so the cassette is wearing. I would like to take the opportunity to tune the gears to our hills! The current set-up is a 42 Teeth Chainwheel and an 8-speed 11 - 34 Teeth...
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    Cyclamatic Power Plus Intermittent Motor Cutting Out

    This intermittent fault tends to happen in the wet. So, I imagine that the problem is one of damp connections. That it is intermittent makes me think there are no major component faults. The brake lever cut outs seem to be working properly. The problem usually announces itself by the motor...
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    Cyclamatic Power Plus - Freewheel replacement and upgrade

    Yo, I have a Cyclamatic Power Plus "Mountain Bike". Living in Cumbria, I find that I could do with a lower gear for our hills and also, as many riders find, a higher one for the flat. Has anyone had experience of changing the rear "freewheel" cluster of sprockets? Mine is fitted with a 7-speed...