FSA Headset Bearing MR121 (TH-870E, MH-P08F)

- Installation available in-store (fees apply).

This is a genuine FSA MR121 headset bearing, a steel angular contact bearing for 1-1/8" headsets. FSA has sold this same bearing under several reference codes over the years, so it may also be listed as TH-870E or MH-P08F.

Dimensions: 30.5 x 41.8 x 8
Chamfers: 45/45
Inch Ref: 1-1/8
Alternative Ref: MR042, 870E, MR121, MR070, MR084, MR116, TH-870E
Model: FSA MR121 (TH-870E, MH-P08F)
Bearing Type: Steel, angular contact
Compatibility: 1-1/8" steerer headset
Feature: Small lip at the top of the internal chamfer