The Tangeseiki #1708 is a precision headset cartridge bearing engineered for modern bicycle steering systems. It is designed to deliver smooth rotation, consistent alignment and dependable performance in demanding riding conditions.

Bearing Design: This bearing uses a sealed cartridge construction that protects the internal rolling elements from dust, water and contaminants. The 45°/45° contact angle ensures stable load distribution and precise steering feel under braking and cornering forces.

Compatibility: Sized specifically for 1-1/2" headset applications, the #1708 bearing is commonly used in tapered head tube systems where accuracy and durability are critical. It integrates seamlessly into compatible headset assemblies.

Performance Characteristics: Manufactured with tight tolerances, the bearing offers low friction and long service life. Its design supports smooth steering response while maintaining reliability over extended use.

Ideal for replacement or upgrade in high-quality headset systems, the Tangeseiki #1708 is suited for road, gravel and mountain bikes that demand consistent steering performance and durability.

Features

• Sealed Cartridge Bearing Construction: Fully enclosed design protects against dust, water and contaminants for smooth, low-maintenance operation.
• 45° / 45° Angular Contact Geometry: Optimised contact angles ensure stable load distribution and precise steering under braking and cornering.
• Low-Friction Steering Performance: Precision manufacturing delivers smooth rotation and consistent alignment over extended use.
• Durable Bearing Steel Build: High-quality bearing steel provides excellent wear resistance and long-term reliability.
• Designed for Tapered Systems: Commonly used in 1-1/2" headset applications for road, gravel and mountain bikes.

Specifications

• Model: #1708
• Product Type: Headset Cartridge Bearing
• Bearing Profile: Angular Contact
• Seal Type: Sealed
• Material: Bearing Steel
• Compatibility: 1-1/2" Tapered Headset Systems
• Inner Diameter: 40 mm
• Outer Diameter: 50.8 mm
• Height: 7 mm
• Contact Angle: 45° / 45°