Bike Headset Steel Bearing 41 41.8 47 49 52mm only Repair Bearings For 28.6 44mm30mm 40mm Mountain Bike Bicycle Accessories
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Specifications
- Brand Name
- NONE
- Origin
- Mainland China
- High-concerned chemical
- None
- Height
- 6.5/7
- Model Number
- bike Headset Bearing
- Weight
- 25
- Material
- steel
- Size
- 44mm
- Outside Diameter
- 40/42/47/49/52
- Type
- Bicycle Headset
- Bore Diamete
- 30/40
- Choice
- yes
Product Description
Bicycle Headset Repair Bearings
Name: Outer diameter * inner diameter* Thickness (mm)
41*30.2*6.5
41.8*30.2*6.5
47*34*7
49*37*7
52*40*7
For Bicycle headset
Bearing angles:45°
Outer diameter (inner diameter): 41(30)/41.8(30)/47(34.5)/49(38)/52(41)mm
Bicycle Fork Crown Headset Spacer
For 1.5 Inch tapered fork/ 1 1/8 straight fork
Color:Black
Inner Diameter: 39.8mm/29.8mm
Angle:45degree
Thickness:5mm
Weight: C : 4.7g /D : 13.4g
Application: 42-52mm hidden/large-caliber external headset/44-55/56mm headset
Pros & Cons
Pros
- Made from solid steel for high durability and resistance to wear and corrosion
- Multiple size options to fit a wide range of mountain and road bicycle headset setups
- Reduces steering friction for smoother, more responsive bike handling
- Affordable replacement part for worn bicycle headset bearings
Cons
- Only sold as bearing replacements, not full headset kits, so buyers may need additional hardware for full repairs
- No official brand name attached, so limited manufacturer warranty support
- Requires basic bike repair knowledge to install correctly
- Exact thickness dimensions vary by size (6.5mm or 7mm) which may not match some existing headset setups
Common Questions
What material are these bike headset bearings made from?
These headset bearings are constructed from solid steel for durable, long-lasting performance.
What size options are available for these bike headset bearings?
They are offered in multiple outer diameter and bore diameter sizes: 41*30mm, 41.8*30mm, 47*34.5mm, 49*38mm, 52*41mm, to fit different bicycle headset setups.
What type of bicycles are these headset bearings compatible with?
They are designed for mountain bikes and standard road bicycles with 28.6/44mm fork crowns.
What is the purpose of these bike headset bearings?
They are used to repair or replace worn bicycle headset bearings, reducing friction between the bike fork and frame for smooth, easy steering.
Where are these bike headset bearings manufactured and shipped from?
This product originates from Mainland China.
Product information last updated on March 12, 2026