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Old 06-16-06, 01:16 PM   #1
geraldatwork
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Changing Front Chainrings

I have the standard 53/39 front chainrings on my Shimano Ultrega crank.(10 speed) I would like to change them to smaller rings maybe a 50 or whatever is the smallest for the larger ring and to a 38 for the smaller ring which I understand is the smallest ring that will fit there. Where would the best place to buy these on the internet. Also I have no idea what they might cost.
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Old 06-16-06, 01:18 PM   #2
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I've found good prices for chain rings at nashbar.com, loosescrews.com and bikepartsusa.com. You will be looking for 130mm BCD crank rings. Ebay is also a good source if you can find someone selling both sizes you want at once, else shipping can eat into your savings over going to a retail shop.
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Old 06-16-06, 01:22 PM   #3
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btw: figure about 15-25 for the inner ring, and about 30-35 for the outter ring + shipping from most online shops. loose screws has a 46T and 48T outter ring if you really want to go that low, they also have a 50T outter that you mentioned above. They've got a 38T inner for you as well.
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Old 06-16-06, 01:52 PM   #4
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Quote:
Originally Posted by cuda2k
btw: figure about 15-25 for the inner ring, and about 30-35 for the outter ring + shipping from most online shops. loose screws has a 46T and 48T outter ring if you really want to go that low, they also have a 50T outter that you mentioned above. They've got a 38T inner for you as well.
Thanks for the quick info. I just went to the loose screws site and found the chainrings. They seem to be one piece and the info says "no ramps or pins" I think mine are multi-piece and has some pins. Are these the ones you are talking about. The 50T is $28.50 and the 38T $22.50.
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Old 06-16-06, 01:53 PM   #5
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Another good source is http://www.sheldonbrown.com.
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Old 06-16-06, 02:11 PM   #6
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yeah, I forget all this new fangled stuff they put on new rings these days. (My newest crank is a 7speed 105 crank)
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