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Help With Replacement Chainrings

Old 03-29-12, 07:18 PM
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Help With Replacement Chainrings

Has anyone used non-Sugino chainrings (other than Shimano) on a Sugino crankset? I can not find Sugino 64/104 replacement rings to fit my DX500 crankarms.

I'll also post this in the Bicycle Mechanics Forum, but there is a lot of expertise here, and someone else may have run into this problem.

Thanks
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Old 03-29-12, 08:40 PM
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Rings are generally interchangeable from one brand to another, provided geometry is the same.

I've replaced rings 3X on 2 cranksets, 2X on 3 others. Only one didn't work real well - it still worked but was a little noisier than I like.

I've never had a bad Truvativ ring, and they make plenty in 64/104 and they're usually inexpensive.

I recommend steel for middle and granny rings for longevity / good value.

https://aebike.com/parts-accessories-...nsearch=Search

Last edited by seeker333; 03-29-12 at 08:45 PM.
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Old 03-29-12, 09:12 PM
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Originally Posted by Doug64
Has anyone used non-Sugino chainrings (other than Shimano) on a Sugino crankset? I can not find Sugino 64/104 replacement rings to fit my DX500 crankarms.

I'll also post this in the Bicycle Mechanics Forum, but there is a lot of expertise here, and someone else may have run into this problem.

Thanks
I usually replace the Sugino rings with TA ones. TA has a great selection and a bit of French chic is always good.
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Old 03-29-12, 11:42 PM
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Thanks guys. After an hour of searching the web, I was able to get all three Sugino chainrings, a 44/32/22 . However, It was ordering one from three different shops. Got bit a little by all the shipping, but I have a new set of crank arms just sitting there and a bike in need of a crank.

Seeker333 your link started me on the quest. AE bikes had the 32 tooth ring. Just kept going from there.

Doug
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Old 03-30-12, 12:00 AM
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Sugino does not use Ergal alloy,, aka 7075, so they are cheaper but softer metal.

Less of a gram counter, I got Steel 110-74 50/38/24t. in the early 90's..
they are still in good shape.
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Old 03-31-12, 02:42 PM
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@Doug64 - AEbike's cart software (third party, not their's actually, many other ebike shops use it) allows you to search within parts categories, and specify filters - very handy for combing through multiple pages of items.

I use AEbike.com's software to find QBP-listed parts. Lately I've gone to eBikeStop.com with the found QBP part numbers, of the form XXyyyy, and search the part number there. BikeStop has the lowest prices, but their cart software sucks, and you have to buy >~$100 to get the free shipping. AEbike has free ship at 75. They're both good places to buy.
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Old 05-08-12, 03:54 PM
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Sorry to resurrect an aging thread, but it's relevant enough that I thought I might keep it in the family.

Does anyone have a suggestion for a good quality, ramped/pinned steel chainring in 110 bcd? I'd like to have my granny and middle ring as steel, and while it hasn't been a problem finding a steel 74 bcd ring, all I can find in 110 is either AL or designed for single-chainring setups.
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Old 05-08-12, 05:03 PM
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AFAIK, nearly all 110mm bcd (big) chainrings are made of Al alloy. I just searched QBP using link above in #2, not a single steel ring. This is most likely due to low/no demand, which in turn is likely due to the extra >100g weight you'd add to a crankset making the big ring from steel instead of Al.

I can assure you a big ring in Al will last a long time. Most people wear out only the middle ring anyway, and then only when it's Al and not steel.

Surly makes 110 bcd SS rings, not ramped/pinned, but these will still work fine in a triple crank, just won't shift as lightning fast as the others. Believe it or not, all chainrings were made this way only 20 years ago. Someone (Shimano?) introduced this innovation in the mid 90s. I have 3 bikes missing this modern innovation, and they seem to shift as good as the ones with ramped/pinned chainreings (in fact one shifts better).
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Old 05-08-12, 05:21 PM
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Originally Posted by garthb

Does anyone have a suggestion for a good quality, ramped/pinned steel chainring in 110 bcd? I'd like to have my granny and middle ring as steel, and while it hasn't been a problem finding a steel 74 bcd ring, all I can find in 110 is either AL or designed for single-chainring setups.
Hens teeth,

36/38 110 ramped and pinned were VERY difficult to find. I did not like the look of the ramping on origin 8 rings, never saw veulta at any store and TA's are spendy. Eventually I found a NOS Race Face 36.

R & E i the U-district will be your best bet for stock on hand.

110 triples are unfashionable right now.
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