The Tangeseiki #1718 is a precision cartridge headset bearing designed for modern bicycle steering systems. Engineered for smooth rotation and consistent performance, it supports stable handling under demanding riding conditions.

Bearing Design: This is a sealed cartridge bearing that integrates the races, balls and seals into a single unit. The closed construction helps maintain smooth operation while reducing maintenance requirements over long-term use.

Steering Interface: Built with a 45/45 angular contact profile, the bearing ensures proper load distribution between the headset cups and the fork steerer. This angle configuration enhances steering accuracy and frame compatibility.

Material and Performance: Manufactured with high-quality bearing steel and precision tolerances, the bearing delivers low friction and reliable durability. It is well suited for road, gravel and performance-oriented bicycles requiring dependable headset function.

Designed for 1.5-inch headset systems, this bearing is commonly used as a lower headset bearing in tapered setups, providing stable support and long-lasting steering performance.