Black Bearing headset bearings are machined and assembled to precise tolerances.
Please check precise measurements against the below to determine the correct size.
SPECIFICATIONS
STEERER DIAMETER: 1"
OUTER DIAMETER: 38mm
INNER DIAMETER: 27.15mm
HEIGHT: 6.5mm
CHAMFER ANGLES: 36°/45°
- Chrome steel balls SAE52100
- Chrome steel races SAE52100
- Premium quality grease
- Also referred to using the following part codes: TH-373, MR-055