Zero Bearing Spark 42x52x7mm 45°/45°
What Is It?
The Zero Bearing Spark 42x52x7mm 45°/45° is a precision-sealed headset bearing used in integrated bicycle headset systems. It is commonly found on various road, gravel, and mountain bikes, including certain Scott Spark models and other frames that use integrated headsets. The bearing allows the fork steerer and headset to rotate smoothly while supporting steering loads.
The 45°/45° contact angles are a common headset bearing standard, providing smooth steering performance and reliable load distribution.
Key Features
- Precision-sealed cartridge headset bearing.
- 45°/45° angular contact design.
- Smooth steering performance.
- Sealed construction helps keep out dirt, dust, and moisture.
- Durable steel bearing races and balls.
- Designed for integrated headset systems.
- Replacement bearing for worn or rough headset bearings.
- Low-maintenance design.
Specifications
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Brand: Zero
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Bearing Type: Sealed cartridge headset bearing
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Inner Diameter (ID): 42mm
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Outer Diameter (OD): 52mm
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Height/Thickness: 7mm
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Contact Angle: 45° x 45°
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Application: Integrated headset
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Construction: Steel bearing races with sealed cartridge design
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Use: Road, Gravel, MTB, XC, Trail bikes
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Compatibility: Frames and headsets requiring a 42x52x7mm 45°/45° bearing
Who Is It Suitable For?
- Road cyclists replacing worn headset bearings.
- Mountain bikers maintaining their suspension or hardtail bikes.
- Gravel riders seeking smooth steering performance.
- Bike mechanics and workshop technicians.
- Owners of bikes using integrated headset systems with this bearing size.
Who Should Use It?
- Riders experiencing rough, notchy, or stiff steering.
- Cyclists performing headset maintenance or overhauls.
- Bike builders assembling compatible frames.
- Anyone needing a direct replacement for a 42x52x7mm 45°/45° headset bearing.
- Riders wanting to restore smooth steering and headset performance.
