GP Headset Bearing - 1 1/8 Inch - 41.8 x 8mm - 45x45 Degree - Stepped Inner Race

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This GP headset bearing is a replacement sealed cartridge angular contact bearing for 1 1/8 Inch headsets. This features a step in the internal race for the conical expander (or crown race if used on the bottom) to fit into. It fits the majority of Specialized bikes from since about 2012. Also, fits some Focus bikes and more.

Suits -

  • 41.8mm External Diameter
  • Inner Race is stepped to allow the expander/race to fit in.
  • 8mm Height
  • 45x45 Bearing angle

Also known as:

  • TH-870E
  • MR121
  • MR155
  • TH-870/DJ
  • MH-P08F


SKU gpbhs454541880f
Brand GP Bearings