我现在在一个朋友那里更换链条和链轮，其实在出发前就该换的，因为他们还是已经跑了11000英里的原装货。
I'm here at a friend's to replace my chain and sprockets, something I should have done before I left as it is the original chain with 11, 000 miles on it.
我现在在一个朋友那里更换链条和链轮，其实在出发前就该换的，因为他们还是已经跑了11000英里的原装货。
I'm here at a friend's to replace my chain and sprockets, something I should have done before I left as it is the original chain with 11, 000 miles on it.
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