Poised to dominate the chainset thats evolutionary in its design and revolutionary in its ability to put you at the front of the pack no matter which size you choose key features integrated carbon spider design is sleek and extremely stiff the red crankset virtually eliminates speed sapping friction with new hybrid ceramic bearings housed within the gxp bbs case not included sram red powerglide chainrings are designed to professional grade shift stiffness and durability standards car