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SRAM Red compatibility question

Old 05-05-13, 09:59 AM
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SRAM Red compatibility question

So I need a new crank and I'm thinking about getting a new Red Exogram 50/34.

A couple of questions:

I assume I need a new Red yaw front derailleur? Currently I have a Rival FD. Also have a Red Black FD in the parts bin.

Assuming I get the yaw fd, will it work with my 2012 Force shifters?

Thanks.
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Old 05-05-13, 10:06 AM
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Why would you assume that you need a new FD. You might if making a material size change in the larger chainring, but any road FD should handle the 50t without problems.
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Old 05-05-13, 10:13 AM
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Originally Posted by FBinNY
Why would you assume that you need a new FD. You might if making a material size change in the larger chainring, but any road FD should handle the 50t without problems.
I thought I read that the Red exogram chainrings didn't work as well with older derailleurs, but I haven't done a ton of research so I could be wrong. Maybe it's that the old will work but the new yaw will obviously work better.

I am still curious if the yaw FD will work with Force shifters?

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Old 05-05-13, 10:18 AM
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Originally Posted by powpow
I thought I read that the Red exogram chainrings didn't work as well with older derailleurs, but I haven't done a ton of research so I could be wrong.
This may be marketing hype, or may have some element of truth, but usually these subtle compatibility issues cause minor barely noticeable differences.
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Old 05-05-13, 10:28 AM
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I'm not very conversant with the intricacies of SRAM components but I recall reading that front shifting was the weakest point in all of their groups and the yaw fd was designed to overcome that. I don't know if the problems were with the front derailleur or the shape and phasing of the chainring teeth.

I assume (note assume, not know) that the yaw geometry is built into the derailleur and the shifter just pulls and releases cable.
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Old 05-05-13, 10:51 AM
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Originally Posted by HillRider
I'm not very conversant with the intricacies of SRAM components but I recall reading that front shifting was the weakest point in all of their groups and the yaw fd was designed to overcome that. I don't know if the problems were with the front derailleur or the shape and phasing of the chainring teeth.

I assume (note assume, not know) that the yaw geometry is built into the derailleur and the shifter just pulls and releases cable.
Sram's front derailleur issues had to do with underbuilt (low weight sells) FDs which simply weren't rigid enough to shift with any amount of chain tension. Most sponsored riders quietly switched to the Force which tended to be a be more responsive, or to a Shimano FD.

I wouldn't be surprised if the newer Yaw problems shifted better than the prior generation (Sram knew what needed to be addressed) but if the OP is satisfied with the performance of his current FD, switching the crankset won't make a difference.
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Old 05-05-13, 11:17 AM
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Originally Posted by powpow
...I am still curious if the yaw FD will work with Force shifters?
Yes, Yaw FD works well with Force shifters, and is worth an upgrade over previous SRAM front derailleurs. Yaw also works well with non-SRAM cranksets & chainrings, and will improve shifting on chainrings that have poor profiling; first hand experience.
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Old 05-05-13, 03:40 PM
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YAW is very good, steel cage Force or Red is good, Ti cage Red is not so good. All work with any SRAM road chainsets. I have all three FDs and chainsets.

(chainset = crank and rings)
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Old 05-05-13, 05:10 PM
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https://velonews.competitor.com/2012/...ibility_209270

Hope this helps you out, a new Exo crank and previous generation SRAM should work fine.
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Old 05-05-13, 05:57 PM
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They're nicely interchangeable - I have the new exogram chainrings (yaw chainrings?) whatever they're called mounted on my older Red crank with older red shifters. I did put a yaw FD on but it's not necessary, I just needed a new FD. Works great.

the older shifters will have an unneeded trim position but other than that they work perfectly well despite SRAM's marketing smoke and mirrors.

I will say that my front shifting is noticeably superior to the older set up I had (red shifters, force FD and red crank/chainrings)
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