1 1/8"-1.5" Internal Headset
PT-F13CHS
ZS44/28.6 | ZS56/40
1-1/8" Upper / 1.5" Bottom
Ø28.6 * ID44 * ID56 * 39.8
Height:15.2+ 4= 19.2mm
Weight:152g
Bearings:Semi-cartridge bearings
5/32" * 22 Upper
3/16" * 23 Lower
Material:Steel w/ alloy top cover
Finish:Anodized + EDBK
Option PT-F13CHS crown race Ø30 for 1-1/8" straight steerer