1 x 1 1/8" Upper Bearing (TH873E). Also known as: MH-P03K, MR122, MR054 p03k TH873E, MR122, MR054, MR115, HSS20130K, PT-R401, AC3041 R2. 1 x 1.5" Lower Bearing (TH073). You will receive 1 x upper and 1 x lower bearing for an FSA headset.
FSA Headset Bearing Kit Pair Orbit FSA Orbit ITA No:9 Kit
FSA Headset Bearing Kit Pinnacle Arkose 2015-2023
FSA Headset Bearing Kit Pair No.42 Orbit C-40 C40 ACB-CX TH870E TH073
Rad Bearings - FSA Headset Bearing Kit Pair Orbit No.57 TH873E TH073
FSA Orbit C-40-ACB No.42 Headset Bearing Kit - Ceramic, Stainless, FSA, SLT
FSA No.55R, No.55R/57 Headset Bearing Kit Ceramic, Stainless, FSA, Alloy SL, SLT
