Perform at your best, with the Cannondale HollowGram Si Carbon Clincher Disc Wheelset. Constructed with the same Hollowgram technology as Cannondale use in their crank arms, this full carbon wheelset is incredibly strong, rigid and weighs a sublime 1446grams without skewers. These clinchers offer low rolling resistance, increased comfort and excellent puncture protection, and the mid-depth 35mm rim provides the perfect balance of aerodynamics and stability.


1446 grams/set
35mm deep, full carbon rim. Long sheet carbon construction. Disc-specific.
Rim width: 19mm internal /25mm external.
Hubs: HollowGram custom, 39t/3-pawl freehub for fast engagement, sealed precision bearings.

Center Lock Disc, 12mm thru axle. QR adapters available for purchase separately.
DT Aerolite bladed spokes 24 front (radial/2cross), 28 rear (2cross) - Alloy nipples
Stan's Tubeless Compatible

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