The Zipp 11.2018.058.000 is a genuine Zipp conversion cap, designed to keep your high‑performance Zipp wheels compatible with a wide range of modern axle and hub standards. Built to the same demanding tolerances as Zipp’s wheels, this small but essential component helps ensure a precise fit between your hub and fork or frame, improving reliability and long‑term durability. Using original Zipp hardware maintains the integrity of your wheel system, supports smooth bearing performance, and helps prevent unwanted play or creaking that can develop with mismatched or worn parts.
This conversion cap is ideal for riders who are updating a frame or fork, moving wheels between bikes, or standardizing their setup for travel and racing. Installation is typically straightforward and requires only basic tools, making it a simple upgrade for home mechanics and professional workshops alike. Whether you ride road, triathlon, or gravel on Zipp wheels, having the correct conversion caps on hand ensures your wheels remain future‑proof, secure, and ready to deliver the aerodynamic and handling advantages Zipp is known for.