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Unconditional Satisfaction GuaranteeNo Shipping Fees Above 302 Months to Decide. Returns Simplified.Corona FSA Powerbox Stealth. The speed of performance has helped Full Speed Ahead become a world leader in high-end chainrings. No one studies the design and production of each system, and each tooth, with the same attention. This dedication is evident in every revolution of the crank and every achievement reached. To meet the needs of any drivetrain, Full Speed Ahead has developed sophisticated design, testing, and production protocols. More options, levels, and finishes than our competitors. The best available materials, imported from the United States, Europe, or sourced from qualified suppliers in Asia, to ensure durability, performance, and appearance that prove perfect and last longer than the competition. Full Speed Ahead chainrings have triumphed in numerous World Championships, Tour de France and Olympics exceeding every optimistic expectation.
