小弟最近也入手了一組08 XT花鼓，原來騎起來覺得都還不錯，沒有一般滾珠花鼓的顆粒感，在一次調車時無意發現，後花鼓飛輪在後輪前轉飛輪靜置時會，飛輪會徧擺，而且徧擺的幅度會雖著後輪轉速增加，這是正常的現像嗎？其它台製花鼓好像都沒有徧擺，想說是不是滾珠有間隙，就把後花鼓拆開，結果珠子不小心掉了幾顆出來，搞了很久才把它給裝回去，結果還是沒有改善，心想：看！為什麼連SHIMANO的東西都沒有品質可言！還是真的一分錢一分貨，原本相用XTR的輪組，但網售最低也要18000元，去店家問最少都要20000元以上，最後還是覺得XT一組才4000多，應該CP值較高吧！真沒想到價格真的是跟著品質走，問了老闆說這是正常的徧擺，並沒有影響騎乘，話是沒錯啦！但就是看了怪怪的，不知那位大大有解呢？感恩啦！
Big Blue Book of Bike Repair-Second Edition
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The clutch or ratchet systems used on derailleur and some one-speed bikes allow the rider to coast. The sprockets will spin when the rider stops pedaling but will lock and drive the wheel when the pedals and chain are turned forward. The bearings fitted in the system allow the gears to turn freely. There is typically some play between the inner and outer parts of the bearing system. When the wheel turns during coasting, the rear sprockets may appear to wobble slightly side to side. This is common and not usually a problem, because when the bike is pedaled, the inner and outer parts lock together as they drive to eliminate the wobble
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安啦 !
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