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MTB chainrings are crucial components of a mountain bike's drivetrain, responsible for transferring pedal power to the chain and ultimately propelling the bike forward. At Sigma Sports we've got various sizes and configurations to suit different riding styles and terrains, offering options from SRAM, Shimano, Wolf Tooth and absoluteBLACK to optimise performance and efficiency.
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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.
If you require any further assistance, please reach out to the customer services team
— The Sigma Sports Team