2PCS Steel Bike Headset Bearings 41mm–52mm Replacement

$18.50 $22.19

Color 41.8mm 47mm 49mm 52mm 41mm

2PCS Durable Steel Bike Headset Bearings — Multiple Sizes Available

Keep your ride smooth and your steering precise with this set of 2 heavy-duty bearing steel bike headset bearings. Designed as direct replacement parts for road and mountain bikes, these sealed bearings fit a wide range of integrated, semi-integrated, and external headset styles — making maintenance simple and affordable.

Made in Mainland China.

Why Choose These Headset Bearings?

Set of 2: Two replacement headset bearings included per order — great value for a full front-end service.
Multiple Size Options: Available in five common outer diameters to fit most modern bicycles:
- 41 mm / 30.2 mm (OD/ID) — Height: 6.5 mm
- 41.8 mm / 30.2 mm (OD/ID) — Height: 6.5 mm
- 47 mm / 34 mm (OD/ID) — Height: 7 mm
- 49 mm / 37 mm (OD/ID) — Height: 7 mm
- 52 mm / 40 mm (OD/ID) — Height: 7 mm
Fully Sealed Construction: Each bearing is fully sealed to block water, dust, and dirt — extending service life and reducing how often you need to service your headset.
Wide Headset Compatibility: Fits most full hidden (integrated), semi-hidden (semi-integrated), and external bearing headsets found on modern road, mountain, gravel, and commuter bikes.
Bearing Steel Material: Made from durable silver bearing steel for strong wear resistance and smooth, consistent rotation — helping maintain precise handling at the front fork and stem interface.

Product Specifications

Item Type	Bike Headset Bearing
Material	Bearing Steel
Color	Silver
Quantity	2 PCS per set
Size Options (OD/ID)	41/30.2 mm · 41.8/30.2 mm · 47/34 mm · 49/37 mm · 52/40 mm
Height	6.5 mm (41 mm & 41.8 mm) · 7 mm (47 mm, 49 mm & 52 mm)
Origin	Mainland China

Package Contents

2 × Bike Headset Bearing

Important Notes

Not suitable for repairing old loose-ball or cup-and-cone style headsets.
Please select your required size carefully before ordering — measure your existing bearings (outer diameter, inner diameter, and height) to confirm compatibility.
Slight color variation may occur due to monitor display settings and lighting conditions.
Allow ±0.5 mm manual measurement deviation.

Frequently Asked Questions

Q: What sizes do these bike headset bearings come in?

A: These headset bearings are available in five outer diameter sizes: 41 mm, 41.8 mm, 47 mm, 49 mm, and 52 mm. The corresponding inner diameters are 30.2 mm, 30.2 mm, 34 mm, 37 mm, and 40 mm respectively. Heights are 6.5 mm for the two smaller sizes and 7 mm for the three larger sizes. Always measure your existing bearings before ordering to ensure the correct fit.

Q: What type of headsets are these bearings compatible with?

A: These replacement bike headset bearings are suitable for most full hidden (integrated), semi-hidden (semi-integrated), and external bearing headsets found on modern road bikes, mountain bikes, gravel bikes, and commuter bicycles. They are NOT compatible with older loose-ball or cup-and-cone style headsets.

Q: Are these bearings sealed against water and dirt?

A: Yes. Each bearing features a fully sealed construction that helps keep out water, dust, and dirt during riding in various weather and terrain conditions. This sealed design improves durability and reduces the frequency of maintenance required.

Q: How many bearings are included per order?

A: Each order includes 2 bike headset bearings, giving you everything needed to replace both the upper and lower headset bearings in one go.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.