Tange-Seiki

Technoglide ZS225X Tapered Headset - ZS44/28.6 Upper, EC44/40 Lower

The Tange-Seiki Technoglide ZS225X Tapered Headset delivers smooth, reliable steering performance for riders who demand precision and durability from their components. Built from lightweight and strong Dulaluminum, this headset is engineered to handle tough riding conditions while maintaining a low overall weight. Its fully sealed design keeps dirt and moisture out, reducing maintenance and extending bearing life—ideal for riders who value long-term performance.

With a ZS44/28.6 upper and EC44/40 lower configuration, the Technoglide ZS225X fits frames with a 44mm straight head tube and forks with a 1-1/8 to 1.5-inch tapered steerer. The result is a solid, creak-free interface that enhances front-end stiffness and steering accuracy on both trail and road builds.

• Lightweight Dulaluminum construction balances strength and performance
• Fully sealed mechanism prevents contamination for longer bearing life
• Designed for 44mm straight head tubes with 1-1/8 to 1.5-inch tapered forks
• Includes #1508 upper and #1728 lower bearings for smooth rotation
• Compact 20.1mm total stack height (6.5mm upper / 13.6mm lower)
• Uses Tange-Seiki 4T5 upper cartridge bearing and 1.5-inch lower cartridge bearing

The Tange-Seiki Technoglide ZS225X is a dependable, high-quality choice for anyone upgrading or maintaining a tapered headset system with a focus on precision and long-term reliability.