45 x 45 degree "ACB" measures: 30.5mm ID x 41.8mm OD x 6.42mm W

High grade 440 Stainless Steel races and and ball bearings. Dual lip sealing system.

Replaces the UPPER Headset Bearing in the following ORBEA frames:

Rallon
Occam
Oiz
Alma
Laufey

Bearing is also known as:

MR042
870E
MR121
MR070
MR084
MR116
TH-870E
MH-P08

BEARINGS SOLD INDIVIDUALLY