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By solving potential compatibility issues such as bolt spacing
It integrates seamlessly with the aerobar extensions that come on your bike
durable ThermoPlast™ material
making it the ultimate solution for triathletes and cyclists
zip-tie mounting slots
Sigma One Carbon Aero Stem arm cups By solving potential compatibility issuesSigma One: The Pinnacle of Aero Stem Design The TriRig Sigma One is an advanced carbon aero stem, designed to deliver unmatched integration, aerodynamic efficiency, and versatility for road, triathlon, or hybrid bike setups. Born from the innovative Alpha One aerobar, Sigma One is the only stem on the market that accepts a stack of mono risers, integrating seamlessly with the tilting Dragonfly cup mount system. This unique design allows you to adjust
