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Most asked questions
No, please order these parts at your Koga-dealer.
That depends on the tyre. Each type of tyre has its own maximum pressure rating, depending on the type of tyre and its intended purpose. The maximum pressure is given on the sidewall of every tyre. Bicycle pumps with pressure gauges are available at dealers. Well inflated tyres reduce the risk of punctures and reduce wear - and of course they make riding easier!
For your safety, check the following points before every ride: - Check all nuts and bolts. In particular check that the wheel quick-releases are well seated and if necessary tighten. - Check handlebar and stem for damage and replace if necessary. - Check brakes for proper function and if necessary adjust. - Check tyre pressure, and observe the maximum pressure ratings printed on the tyre wall. - Check the tyre tread. - Check lighting and safety equipment. - Check that the grips are securely fitted to the handlebars and check for wear. - On bikes with rear suspension, check all threaded fastenings on the suspended parts for tightness, and check for play in the pivots.
Usually only the rear sprockets need changing. The chain wears down the rear sprockets. This can be the case after only 500km or so and is in part due to the chain pressure falling on only a few teeth. With the front chainrings there is usually a much larger diameter available, so the loads are shared out among many teeth, so the front chainrings do not wear out as quickly.