FSA Orbit No.57-1 No.57CF No.57 TH873E TH073 Sealed Headset ANTI RUST BEARINGS

FSA Headset No.57CF. 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). These bearings have been carefully selected from quality supplier, Minhon.

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