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Thread: Shimano IG

  1. #1
    Junior Member
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    Shimano IG

    whats the different between the Shimano IG models say like Shimano IG 31 and Shimano IG 90? I cant see the difference other than color and price

  2. #2
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    The number that follows the IG indicates model and the higher the number, the better the model. So the IG 30 model isn't as nice a unit as the IG 90, which will last longer and be easier to clean. They should however work the same when brand new.

    Chuck

  3. #3
    Chi
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    I have the IG90. Got it on sale for $18 at Performance. Can't say it's that good ... it rusted after my last muddin' session, even though the chain's supposed to be cadmium plated? :confused: Otherwise a very nice chain. I have almost 500 miles on it and it still works like new.

    I have an 8-speed STX drivetrain.

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