1-1/8" Upper / 1-1/8" Bottom

PT-1800H

ZS44/28.6 | ZS44/30

1. 1/8” Internal Headset
ø28.6x44x30
Height        13+3.8=16.8mm
Weight       112.1g
Bearings     5/32"x22
Material      Steel w/ 10mm alloy top cap
Finish          EDBK

click for drawing