Sram red etap chainring upgrades?

Discuss light weight issues concerning road bikes & parts.
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RocketRacing
Posts: 947
Joined: Thu May 10, 2018 2:43 am

by RocketRacing on Fri Jan 25, 2019 3:30 am

Does anyone have experience with, or know of some good lightweight (lighter) options to replace the etap chainrings?
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tabl10s
Posts: 598
Joined: Wed Aug 23, 2017 5:40 am

by tabl10s on Fri Jan 25, 2019 3:33 am

I have Rotor Quarbon, Carbon-Ti and Extralite.
2015 Pinarello F8: 13.05lbs/5.915kg
2016 Rca: 11.07lbs/5.048kg
2018 Rca
2018 S-Works SL6 Ultralight: 12.03lbs
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by Weenie on Fri Jan 25, 2019 3:33 am

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TobinHatesYou
Posts: 4827
Joined: Mon Jul 24, 2017 12:02 pm

by TobinHatesYou on Fri Jan 25, 2019 4:14 am

Caution: Rotor Qarbon chainrings are 5mm thick and won’t work with non-removable spider hidden-bolt Red cranksets.
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ancker
Posts: 148
Joined: Sat Dec 31, 2011 9:29 pm

by ancker on Fri Jan 25, 2019 4:10 pm

Extralite work fine. I'm using 52/36.
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RocketRacing
Posts: 947
Joined: Thu May 10, 2018 2:43 am

by RocketRacing on Fri Jan 25, 2019 8:10 pm

ancker wrote: ↑
Fri Jan 25, 2019 4:10 pm
 Extralite work fine. I'm using 52/36.
What kind of weight savings are we talking? And how is shifting?

Edit: about 60 grams savings with 50/34. 153g vs 93g
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by Weenie on Fri Jan 25, 2019 8:10 pm

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ancker
Posts: 148
Joined: Sat Dec 31, 2011 9:29 pm

by ancker on Fri Jan 25, 2019 10:33 pm

My setup on that bike is with 165mm Red carbon Quarq arms (GXP), and a Power2Max NGeco PM Spider (110bcd).
Shifting is great, maybe a little slower than yaw rings, but not terrible. Had some outside chain drop issues, but I sorted that by fixing my BB spacer situation.
Total weight: 687g

Compare that to:
SRAM Red 22 Carbon Exogram, 165mm, GXP, 53/39 Yaw rings: 608g
SRAM Red 22 Carbon Exogram, 165mm, BB30, 50/34 Yaw rings: 520g
SRAM Force 22 Carbon, 165mm, GXP, 53/39 Yaw rings: 715g

(Sorry, I don't have the individual weights for the Yaw rings, but I figure you can goole that easily.)
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