(Also known as MH-P03K, TH873E, MR054). 2 x HS123 sealed bearings. For sale is a bearing kit which will fit most Hope headsets which are for 1 1/8 straight steerers.
Hope Tapered 1 1/8" - 1.5" Headset Bearing Kit | Blueseal Bike Bearings
Hope 1 1/8" Headset Bearing Kit | Blueseal Bike Bearings
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Bicycle Headset Bearing Kit ZS44 ZS56 4456ST, Tapered to Straight Tube Headset 1-1/8" Aluminium Alloy Sealed Bearings for MTB Road Bike
Bicycle Headset Bearing Kit, 40mm Caged Steel Ball Bearings for Bike Fork & Cycle Headset Replacement, 4-Piece Hardware Set
