Brakes, front fork Flex:The phenomenon is often found in front of the front fork is when moving stumbled potholes or obstacles have cries "swept swept". The cause is due to front fork springs ago, front fork oil lost smoothness oxidize causing the scrapes in front fork front fork make company activity is not good. When this phenomenon need to check, instead of the front fork Springs, front fork oil and phosphorus.In addition, when stumbled potholes or obstacles also come from the ancient Cup, do bi and gaskets of the ancient Cup, is. Fix method is reset or replace the old Grail Cup other stock.
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