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The PRO Gap Cap Expander Carbon is a premium solution for riders who want a clean, secure, and lightweight way to preload their headset on carbon steerer tubes. Designed specifically for use with carbon forks, this expander replaces traditional star nuts, which are not suitable for carbon steerers. By expanding gently inside the steerer, it provides a firm and evenly distributed grip, helping you achieve precise headset adjustment while protecting the integrity of your fork.
Featuring a sleek carbon top cap, this PRO expander adds a refined finishing touch to your cockpit, complementing modern road, gravel, and mountain bike builds. It is ideal for riders upgrading to a carbon fork or building a high-end bike from the frame up. Easy to install with standard workshop tools, it allows you to fine-tune bearing preload and keep your steering smooth and play-free. Whether you are chasing performance gains or simply want a clean, professional look, the PRO Gap Cap Expander Carbon delivers reliability, style, and confidence on every ride.
