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-   -   Do I have the right chainring? (https://www.bikeforums.net/road-cycling/813628-do-i-have-right-chainring.html)

tntyz 04-25-12 12:05 PM
Do I have the right chainring?
 
I have a Shimano 105 triple 10-speed and need to replace the middle (39 tooth) ring. Have a 39 ring (Shimano FC-5700S). The packaging says it is for a double. Will this work on my triple?

TIA

Tony

redlude97 04-25-12 12:23 PM
You want the 5703S. The double version does not have the shaping on the inner side that makes the 30->39 shift smooth. Luckily it can be had for relatively cheap http://www.amazon.com/130mm-10spd-Tr.../dp/B0055WPM7O

tntyz 04-25-12 05:43 PM
Originally Posted by redlude97 (Post 14143751)
You want the 5703S. The double version does not have the shaping on the inner side that makes the 30->39 shift smooth. Luckily it can be had for relatively cheap http://www.amazon.com/130mm-10spd-Tr.../dp/B0055WPM7O
Thanks for the help. Description for the one I ordered was 39T. I thought the "T" was for triple, but I guess not. Right one is on the way soon.

mtrider05 04-25-12 06:19 PM
T stands for tooth.


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