ENTRY
Internal Threaded Headsets
PT-1800NT/PT-1800AT
ZS44/28.6-26TPI | ZS44/30
1-1/8" * 26T, Internal Threaded Headsets
Ø25.4 * 44 *30
Height: 14.5+ 3.8= 18.3mm
Bearings: 5/32" * 22 ball retainer
Material: Steel cups & crown race
Finish: EDBK / Anodized
PT-1800NT steel top cover : 143g
PT-1800AT alloy top cover : 133g
PT-1800NT(AT) Drawing download