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  1. #1
    Senior Member NealH's Avatar
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    Shimano DA-10 cassette question

    The middle cogs on my DA 12/27 cassette are showing some wear, as evidenced by some slipping and/or, a bit of delay on up shifts with these particular gears. The wear is not surprising since I spend most of the time in and around these cogs due to the terrain. It has about 2.5K miles on it, give or take. Since these central cogs are steel, whereas the other cogs on this set are Titanium, can I buy an Ultegra 10 speed cassette (12/27) and just swap the central cogs over to my DA cassette? Its less expensive this route. Or, do I need to buy another DA cassette?

  2. #2
    Senior Member bikeman715's Avatar
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    you need to buy another cassette -sorry

  3. #3
    Senior Member capwater's Avatar
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    Just run Ultegra or even 105, way cheaper than DA and you won't notice the difference. You're probably also looking at a new chain as well.

  4. #4
    Isaias NoRacer's Avatar
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    2.5k miles is not very much. Pehaps all you need is a slight tweaking of the RD cable.
    2009 mileage = 14,738 miles; 2010 mileage = 15,234 miles; 2011 mileage = 17,344 miles; 2012 mileage = 11,414 miles; 2013 = 12,169

  5. #5
    Senior Member
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    Quote Originally Posted by NoRacer View Post
    2.5k miles is not very much. Pehaps all you need is a slight tweaking of the RD cable.
    +1
    I don't think you can wear out a cassette that quickly.

    Al

  6. #6
    Isaias NoRacer's Avatar
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    I should've said the appropriate cable. If it's slipping on the chainring, then the FD cable may need to be adjusted, or it could be a little of both RD and FD cables.
    2009 mileage = 14,738 miles; 2010 mileage = 15,234 miles; 2011 mileage = 17,344 miles; 2012 mileage = 11,414 miles; 2013 = 12,169

  7. #7
    Senior Member NealH's Avatar
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    Yea, I thought about adjustment just after I posted. I will check it tonight. I had a local Peformance shop put a compact crank on (Shimano R700) and, the mechanic told me the middle cogs were showing some wear but, he did not elaborate. It is a possibility that his adjustment is a tad off - for whatever reason. I will check it tonight and, hopefully it only needs an adjustment tweak. If it turns out to be wear then I'll just purchase and install an Ultegra cassette. Like one poster said, I seriously doubt that I will be able to tell any difference.

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