FSA MR121 1-1/8 Inch Headset Bearing 45x45 Black Sealed Cartridge

Product Description
The FSA MR121 is a genuine replacement sealed cartridge headset bearing designed for compatible 1-1/8" headset applications. Built with a 45x45 degree angular contact design, it is a practical OEM replacement for restoring smooth headset performance on worn or rough-running setups.

This bearing features a 30.5mm inner diameter, 41.8mm outer diameter, and 8mm width. It is sold individually and may also fit other headset models that use the same dimensions and bearing angle.

Key Features

• Genuine FSA MR121 replacement headset bearing
• 1-1/8" fitment
• 45x45 cartridge bearing angle
• Sealed cartridge design
• Black seal
• Sold individually
• May fit other compatible headset models using the same dimensions

Specifications

• Brand: FSA
• Model: MR121
• Product Type: Headset Bearing
• Description: Black Seal
• Fit: 1-1/8"
• Bearing Angle: 45x45
• Bearing Type: Sealed Cartridge
• Inner Diameter: 30.5mm
• Outer Diameter: 41.8mm
• Width / Thickness: 8mm
• Sold As: Individual

Compatibility
Compatible with:

• FSA headset applications using the MR121 bearing
• Other headset models using:
  • 30.5mm I.D.
  • 41.8mm O.D.
  • 8mm width
  • 45x45 angular contact bearing

Please confirm bearing dimensions and angle before purchase.

Included

• One FSA MR121 headset bearing

Warranty and Notes

• Genuine FSA replacement part
• May fit other models with matching dimensions and angle
• Includes only what is shown or described

Condition

• New
• Genuine OEM product
• Includes only what is shown or described