Key features
- 1 1/4" headset bearing for oversized systems
- 45/45° angle for standard fit
- Dimensions: 37 x 49 x 7 mm (MR137 standard)
- Sealed against water and contaminants
- Smooth rotation and long lifespan
Description
The CCY-1012 (HB-C3) bearing is designed for 1 1/4" headset systems and is commonly used in oversized, high-performance setups.
Its dimensions (37 x 49 x 7 mm) and 45/45° contact angle ensure precise fit, rigidity and stable steering performance.
This size corresponds to the widely used MR137 standard found in modern integrated headset systems.
High-quality steel construction with sealed protection prevents dirt and moisture ingress, ensuring durability and smooth operation.
Specifications
- Type: headset bearing
- Standard: 1 1/4"
- Dimensions: 37 x 49 x 7 mm
- Angle: 45° / 45°
- Seals: 2RS (sealed)
- Material: high-strength steel
- Lubrication: premium grease
- Equivalent standard: MR137
Compatibility
- Compatible with 1 1/4" headset systems
- For integrated and semi-integrated oversized headsets
- Suitable for road, MTB, gravel and urban bikes
- Compatible with MR137 / ACB 45/45 standards
- Ideal replacement bearing
