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Description
With countless professional race wins to its name, the Rotor Aero No Q Outer Chainring 110BCD has a proven track record of making the difference when riders need it the most.
The 7075 T6 aluminium provides a supremely stiff and lightweight construction and the redesigned tooth and pin configuration ensures that slippage is a thing of the past and smooth shifting is the norm.
This, the aerodynamic outer ring, significantly reduces drag through and around your drivetrain, making it ideal for time trials. Available in five varying sizes, there is a chainring here suited to any type of course and any type of rider.
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Important Update for Our US Customers
We regret to inform you that due to ongoing challenges related to current US tariffs, shopping on Sigma Sports is temporarily unavailable for customers based in the United States.
We understand how disappointing this may be and sincerely apologize for any inconvenience caused. Please rest assured that we are actively exploring solutions to resume service and find the best way to support our US community.
We appreciate your patience and understanding during this time, and we look forward to welcoming you back as soon as possible.
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— The Sigma Sports Team