Colnago Headset – C64 / V3 / V3RS / V4 / V4RS – Press Fit – ZS44.65 / ZS49.65 (Original Part)
Item number: 310.52.522-AM
Description
This original Colnago ZS headset is specifically designed for Colnago frames featuring special press-fit diameters, ensuring perfect compatibility and precise fit for C64, V3, V3RS, V4, and V4RS models.
The headset combines lightweight construction with durability, using a reinforced plastic upper bearing cup and a robust aluminum lower bearing cup. High-quality stainless steel angular contact bearings provide smooth steering, excellent load distribution, and long-lasting performance, even under intensive riding conditions.
Engineered to meet Colnago’s exact standards, this headset guarantees reliable handling, precise control, and consistent performance for high-end road frames.
Included components:
• Upper bearing cup including ball bearing
• Compression ring
• Lower bearing cup including ball bearing
Technical specifications:
• Headset type: ZS (Zero Stack), press-fit
• Press-in diameter (top / ID): 44.65 mm
• Press-in diameter (bottom / ID): 49.65 mm
• Upper angular contact bearing: 30 × 41 × 7 mm – 36° / 45°
• Lower angular contact bearing: 35 × 47 × 7 mm – 36° / 45°
• Bearing material: Stainless steel
Compatibility:
• Colnago C64
• Colnago V3 / V3RS
• Colnago V4 / V4RS
An ideal choice for maintaining original factory specification, premium ride quality, and long-term reliability on Colnago performance frames.
