GXP: Sram Rival left crank arm on a Red right crank - possible?

Discuss light weight issues concerning road bikes & parts.
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by alcatraz

Hi WWs

As the title shows. Can a Sram rival gxp (stages) left arm be fitted to a red exogram gxp crank?

Found a good deal on a rival pwm for my friend riding trek frames (gxp/shimano only).

(He's a weight weenie and without spending too much money this seems like a good solution. Later we can change the chainrings to something lighter)


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by pdlpsher1

Yes it can. Before Stages developed a carbon armed PM the only option for Sram users was the Rival GXP PM.

by Weenie

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by glepore

Did this myself to save some coin, and there's not a huge weight difference actually. Where there is a big difference is giving up bb3o and the carbon arm, then its something like 75g or more. The arm itself is only around a 25g penalty.
Cysco Ti custom Campy SR mechanical (6.9);Cannondale SS Evo Di2 7970 (5.79); Willier Cento Uno Air Di2 9070 (7.0); C40 Mk2 DA 7800 ; Anvil Custom steel Etap;1996 Colnago Technos Record

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by Marin

Got a Rival Stages on a Red crankset on the bike sitting against the office wall here :)

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