1 1/8"-1.5" Internal Headset
PT-F13S
ZS44/28.6 | ZS56/40
1-1/8" Upper / 1.5" Bottom
Ø28.6 * ID44 * ID56 * 39.8
Height:9.5+ 2.8= 12.3mm
Weight:100g
Bearings:Sealed AC bearings
41 * 6.5 * 45° (R408) Upper
52 * 7 * 45° (R413) Lower
Material:AL6061-T6 w/ 7075 crown race
Finish:Anodized
Headtube: OD50mm * ID44mm / OD62mm * ID56mm
Option PT-F13S crown race Ø30 for 1-1/8" straight steerer