Headset Bearing 30.5 x 41.8 x 8 45/45

Description

Headset bearing 30.5mm x 41.8mm x 8mm  45deg x 45deg
TH-870 with step on inner chamfer
BMC TM01. Some Focus road bikes, Specialized road and MTB bikes
AKA TH-870E, MR121 MR042 P08F
Replaces MR155 TH-870/DJ