Sprint-worthy stiffness meets climb-friendly weight in Cannondale's Hollowgram Si Road Crank Set. Cannondale's One Piece Integration 3D forging is the secret to keeping this aluminum crank feathery-light and incredibly stiff. Plus, it's finished off with FSA's high-performance chainrings for flawless 10-speed shifting.
Cannondale’s class-defining Hollowgram SiSL2 Road Crankset sets a standard in an ultra-light, super stiff crankset. The revolutionary CNC-manufacturing technique creates hollow crank arms that are super-stiff, yet feather light. Building on that theme, Cannondale’s One-Piece Integration technology allowed them to create the museum-worthy SpiderRing, an ultra-stiff single-piece chainring and spider machined out of one solid block of aluminum. Available in standard and compact options, this next-level crankset is 10/11-speed compatible.
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