I changed a front tube on one a couple weeks ago, it shouted at me for a while then the alarm went off and locked the rear wheel. They are heavy and awkward to work on, but they do give you the tools to do the adjustments yourself at least.
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I changed a front tube on one a couple weeks ago, it shouted at me for a while then the alarm went off and locked the rear wheel. They are heavy and awkward to work on, but they do give you the tools to do the adjustments yourself at least.