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- Featherweight Exogram hollow carbon construction
- X Glide R chain rings: advanced shifting technology
- Hidden bolt for increased strength and stiffness
- Bottom bracket not included
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The SRAM Red Exogram Crank set is completely hollow all the way to the spider. Its hidden bolt pattern makes better use of carbon fiber to further improve stiffness and shed weight. The stunning X Glide chain rings are optimized for use with the Yaw Techno.