1-1/8" Upper / 1.5" Bottom

PT-1860F

IS42/28.6 | IS52/40

Integrated, 1. 1/8” Upper / 1.5” Bottom
for different OD headtube
ø28.6x41.8x51.8x39.8 
Height           15.5+1=16.5mm
Bearings      ‭ ‬ Sealed AC Bearings (Alloy cone)
                       
41.8x45°x8.4 (R446 A) Upper 
                      
 51.8x45°x8(R447A) Lower
Material      ‭  ‬Top cover:AL6061  w/AL7075 crown race
Finish             Anodized

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