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A streamlined center tread minimizes rolling resistance on hardpack and pavement, while 45c and 50c race-volume profiles support lower pressures for improved efficiency across mixed terrain.
Compared to the CADEX GX 40c, the GXR 45c delivers a measured –1.52-watt reduction in rolling resistance per tire (–3.03 watts per bike), enabling higher sustained speed on fast gravel sectors and smoother transitions between surfaces.
















