Bearing Kit For FSA Orbit No.57 Headset - TH873E TH073

A full bearing kit for either:

• FSA Orbit 1.5 ZS Headset No.57 (Tapered steerer fork 1/ 1/8th and 1.5)
• FSA  Headset No.57CF
• FSA Orbit 1.5 ZS Headset No.57-1

All For ZS44 / 56 cups

What you will get: 

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

FSA PRODUCT CODE: 160-0014000000 (Was 160-1648)

S44 TOP HEADSET BEARING

ID - 30.15mm

OD - 41mm

H - 6.5mm

ANGLE - 36˚ 
/ 45˚

1 x 1.5" Lower Bearing (TH073)

Also know as: ACB518K, MR110, MR127, TH-073E MR110, ACB518K, TK518B

ZS56 BOTTOM HEADSET BEARING

ID - 40mm

OD - 51.8mm

H - 8mm

ANGLE -  36˚ / 45˚