Columbus Compass Carbon Integrated Headset - 1 1/8 - 1 1/2
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Product Information
Full details
The Columbus Compass Carbon Integrated Headset is designed specifically for cyclists and bike builders working with racing frames that utilize tapered 1 1/2 to 1 1/8 inch head-tubes. Its primary benefit is the inclusion of precision 45-degree stainless steel Angular Contact Bearings (ACB), which provide exceptional durability and smooth steering performance under the intense loads of competitive racing. While this headset offers elite-level reliability, it is important to note that it is strictly intended for integrated frames using the IS 42/28.6 and IS 52/40 standards, making it unsuitable for bikes with external cup head-tubes.
All features
| Model Part Number | CNA32 |
|---|---|
| Brand | columbus |
Extended Product Information
FAQs
Will this fit a standard 1 1/8 inch non-tapered fork?
No, this headset is specifically designed for tapered 1 1/2 to 1 1/8 inch steer tubes.
Do I need a headset press for this model?
Because this is an integrated headset (IS), the bearings drop directly into the frame. You do not need a press, but you should ensure the bearing seats are clean.
Can I replace the bearings with standard cartridge bearings?
It is recommended to use the specific Columbus stainless steel ACB replacements to maintain the performance and fit standards of the headset.
What is the weight of the included top cap?
The included 15mm top cap is made of carbon fiber to minimize weight, though specific gram weight can vary by manufacturing batch.
Is this headset suitable for mountain bikes?
While the bearings are robust, this headset is primarily intended for racing frames. Ensure your frame uses the IS 42/28.6 and IS 52/40 standards before installation.
Troubleshooting
Headset develops a 'knock' or play
Ensure the top cap bolt is tightened to the recommended torque to preload the bearings correctly, or check that the compression ring is properly seated.
Steering feels 'notchy' or stiff
Clean the stainless steel bearings of grit and old grease. If the stiffness persists, the bearing races may be worn and require replacement.
Pros and Cons
Pros
- High-grade stainless steel bearings offer long service life
- Lightweight carbon top cap included
- Designed specifically to handle the high stress of race-ready frames
- Precise fitment reduces potential for headset creaking
Cons
- Compatibility limited only to IS standard head-tubes
- Requires professional installation tools to ensure seat alignment
- Not compatible with non-tapered fork steerers
Setup, Compatibility & Care
Installation of this integrated headset requires the frame to have clean, undamaged bearing seats. Always ensure the head-tube is free of debris before dropping the bearings into place.
Compatibility Table
| Part | Standard |
| :--- | :--- |
| Upper Bearing | IS 42/28.6 |
| Lower Bearing | IS 52/40 |
| Steerer Tube | 1 1/8 - 1 1/2 Tapered |
Care involves periodic inspections for play in the handlebars. If the steering feels notchy or develops resistance, remove the bearings, clean them with a degreaser, and inspect them for wear. If the stainless steel surfaces remain smooth, re-grease and re-install. If you notice grinding, the ACB bearings should be replaced to prevent damage to the frame's integrated seats.