The Tangeseiki Technoglide ZS225 is a zero-stack headset engineered for modern tapered head tube frames, delivering smooth steering performance with long-term durability. It is designed to integrate cleanly into frames using a ZS44/ZS56 configuration while maintaining precise alignment and stability.
Zero-Stack Tapered Design: Built for tapered head tubes, the ZS225 supports a 1-1/8" to 1.5" fork and head tube combination. The zero-stack system allows the bearings to sit inside the frame, contributing to a lower stack height and a clean, integrated cockpit appearance.
Lightweight Duraluminum Construction: The headset cups are manufactured from lightweight yet strong duraluminum alloy. This construction balances low weight with structural rigidity, ensuring consistent steering response without adding unnecessary mass to the front end.
Fully Sealed Bearing System: Equipped with Tange Seiki original sized cartridge bearings, the ZS225 uses a 4T5 cartridge bearing in the upper and a 1.5" cartridge bearing in the lower. The fully sealed mechanism protects against dirt, water and debris, helping maintain smooth rotation over extended use.
Designed for everyday riding as well as demanding conditions, the Tangeseiki Technoglide ZS225 delivers dependable handling and durability.
Features
- ZS44 / ZS56 Tapered Design: Engineered for modern tapered head tubes, supporting a 1-1/8" to 1.5" fork with a clean zero-stack profile.
- Lightweight Duraluminum Construction: Strong yet lightweight duraluminum alloy cups ensure rigidity and precise steering without excess weight.
- Fully Sealed Bearing System: Upper 4T5 cartridge bearing and lower 1.5" cartridge bearing deliver smooth rotation with excellent contamination resistance.
- Low-Profile Integrated Fit: Zero-stack layout seats bearings inside the frame for reduced stack height and a tidy cockpit appearance.
- Built for Long-Term Reliability: Designed for everyday and demanding use, offering dependable handling and extended service life.
Specifications
- Model: TGZS225
- Product Type: Zero-Stack Headset
- Intended Use: Road, Gravel, Endurance Bicycles
- Headset Type: Threadless
- Upper Bearing: Sealed Cartridge Bearing (4T5)
- Lower Bearing: Sealed Cartridge Bearing (1.5")
- Configuration: 1-1/8" to 1.5" Tapered
- S.H.I.S Upper: ZS44 / 28.6
- S.H.I.S Lower: ZS56 / 40
- Steerer Size: 1-1/8" / 1-1/2"
- Material: Duraluminum Alloy
- Stack Height: 17.4 mm
- L1 (Upper Stack): 15.0 mm
- L2 (Lower Stack): 2.4 mm
- Weight: 116.0 g
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The Tangeseiki Technoglide ZS225 is a zero-stack headset engineered for modern tapered head tube frames, delivering smooth steering performance with long-term durability. It is designed to integrate cleanly into frames using a ZS44/ZS56 configuration while maintaining precise alignment and stability.
Zero-Stack Tapered Design: Built for tapered head tubes, the ZS225 supports a 1-1/8" to 1.5" fork and head tube combination. The zero-stack system allows the bearings to sit inside the frame, contributing to a lower stack height and a clean, integrated cockpit appearance.
Lightweight Duraluminum Construction: The headset cups are manufactured from lightweight yet strong duraluminum alloy. This construction balances low weight with structural rigidity, ensuring consistent steering response without adding unnecessary mass to the front end.
Fully Sealed Bearing System: Equipped with Tange Seiki original sized cartridge bearings, the ZS225 uses a 4T5 cartridge bearing in the upper and a 1.5" cartridge bearing in the lower. The fully sealed mechanism protects against dirt, water and debris, helping maintain smooth rotation over extended use.
Designed for everyday riding as well as demanding conditions, the Tangeseiki Technoglide ZS225 delivers dependable handling and durability.
Features
- ZS44 / ZS56 Tapered Design: Engineered for modern tapered head tubes, supporting a 1-1/8" to 1.5" fork with a clean zero-stack profile.
- Lightweight Duraluminum Construction: Strong yet lightweight duraluminum alloy cups ensure rigidity and precise steering without excess weight.
- Fully Sealed Bearing System: Upper 4T5 cartridge bearing and lower 1.5" cartridge bearing deliver smooth rotation with excellent contamination resistance.
- Low-Profile Integrated Fit: Zero-stack layout seats bearings inside the frame for reduced stack height and a tidy cockpit appearance.
- Built for Long-Term Reliability: Designed for everyday and demanding use, offering dependable handling and extended service life.
Specifications
- Model: TGZS225
- Product Type: Zero-Stack Headset
- Intended Use: Road, Gravel, Endurance Bicycles
- Headset Type: Threadless
- Upper Bearing: Sealed Cartridge Bearing (4T5)
- Lower Bearing: Sealed Cartridge Bearing (1.5")
- Configuration: 1-1/8" to 1.5" Tapered
- S.H.I.S Upper: ZS44 / 28.6
- S.H.I.S Lower: ZS56 / 40
- Steerer Size: 1-1/8" / 1-1/2"
- Material: Duraluminum Alloy
- Stack Height: 17.4 mm
- L1 (Upper Stack): 15.0 mm
- L2 (Lower Stack): 2.4 mm
- Weight: 116.0 g


