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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
integrating seamlessly with the tilting Dragonfly cup mount system
add it to your cart for easy installation
It integrates seamlessly with the aerobar extensions that come on your bike
these extenders provide the fine-tuned adjustments that can make all the difference in your performance
durable ThermoPlast™ material
Sigma One Carbon Aero Stem arm cups integrating seamlessly with the tiltingSigma 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
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