Drawing directly from the spoke design of the Cosmic Carbone Ultimate, Mavic has created the impressive Cosmic Carbone SR clincher for 2011.
The SR uses carbon bladed spokes that run from the rim all the way through the hub shell and into the other side of the rim, which they call R2R (Rim 2 Rim) technology. R2R creates less spoke ends and thus less spoke anchor points for great strength and power transfer. Additionally, the spokes have metal threaded ends at the rim junction with hidden nipples so that the spokes are fully serviceable and replaceable, which is too often something that carbon spokes lack.
The rim starts with a lightweight alloy rim for durability and reliable braking, and then adds a deep carbon fiber fairing to cheat the wind. The deep 52mm rim combines with the bladed carbon spokes and narrow high hub flanges to give superior aerodynamic advantage. The hubs use light weight alloy bodies and axles and run on Mavic's exceptionally smooth QRM+ bearings. The hubs also use the FTS-L freehub body that integrates the freehub pawls into the hub and locates them more centrally for better power transfer and durability.
Includes titanium quick-releases (BR601), bearing adjustment tool, special spoke wrench, rim strips, bladed spoke magnet and valve extenders. Shimano/SRAM 8/9/10 speed or Campagnolo 9/10/11 speed compatible freehub bodies. Size 700c Clincher (622mm ISO). 1688 grams/set (weighed without include QR skewers).
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A guide to clincher and tubular bicycle wheels.