Aerozine XH808B Bicycle Internal Headset 1 1/8"-1/2" Tapered O.D.44mm/56mm Gold
Aerozine XH808B Tapered Semi-Integrated Internal Headset
 
S.H.I.S CODE : ZS44/28.6│ZS56/40

Specification:

Size:1 1/8"-1 1/2", 45°/ 45° ACB , 1-1/8 Upper ,1-1/2" Bottom

Material:100% CNC machined 6061T6 alloy cups w/ alloy top cap
 
Bearing Sealed Angular Bearing
 
Lower Cup O.D. 44mm
 
Lower Cup O.D. 56mm
 
Stack Height:15.2+3.1= 18.3mm
 
Weight:approx.127g
 
Notice:It's better to measure the SHIS of your frame before you buy. 
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