A closer look at the Cube road & time trial bikes of Biniam Girmaye at the Giro d’Italia reveals a new prototype CeramicSpeed Aero OSPW upgrade seeking out those marginal gains. Already claimed to save watts with larger oversized pulley wheels and low-friction ceramic bearings, CeramicSpeed looks to be hunting improved aerodynamics, as well… CeramicSpeed

The post Prototype CeramicSpeed Aero OSPW derailleur upgrade gaining seconds at the Giro for Biniam Girmaye appeared first on Bikerumor.

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