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Open Core + aluminum = lightweight reliability.
SRAM has an alternative for those of us who still believe that crucial drivetrain components should be made of some kind of metal but don't want to haul around pig-iron boat anchors on our bikes. SRAM used Open Core Technology to make its Rival Cross OCT Crankset with GXP Cups 68 stronger than many carbon cranks and nearly as light.
- Open-Core aluminum crankarms add strength while reducing weight
- Integrated aluminum eliminates hardware, increases stiffness, and reduces weight
- Giga X Pipe External Bottom Bracket Assembly eliminates bearing side-loading for greater reliability
- PowerGlide chainrings with hard anodized coating for greater durability