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Gearing tune up?

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Old 07-06-08, 01:52 PM
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Gearing tune up?

I just found a 1987 Miyata Omnium bike in my attic. The bike has low mileage because it was used as a stationary bike for all its life. It looks good but the gearing shifts into the next gear when ride in a certain gear. Its only on one of the speeds but I was wondering if there is a simple way to fix my that without having to pay money for a tune up at the bike shop? It's a shimano 600 gearing system just in case that helps .I am short on funds hence why i am riding the bike in the first place.
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Old 07-06-08, 02:11 PM
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If it's been sitting for a while, the cables probably need to be lubricated. Same with the pivots in the RD. Head over to the Park Tool self-help maintenance site and review what that takes. Also check out the RD adjustments procedure. Takes about 30-minutes to R&R your rear-derailleur cables.
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Old 07-06-08, 03:34 PM
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Originally Posted by graemejones
I just found a 1987 Miyata Omnium bike in my attic. The bike has low mileage because it was used as a stationary bike for all its life. It looks good but the gearing shifts into the next gear when ride in a certain gear. Its only on one of the speeds but I was wondering if there is a simple way to fix my that without having to pay money for a tune up at the bike shop? It's a shimano 600 gearing system just in case that helps .I am short on funds hence why i am riding the bike in the first place.
https://www.parktool.com/repair/readhowto.asp?id=64

What kind of shifter does it have?
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