MID

1 1/8-1.5InternalThreaded

PT-F13E
ZS44/28.6 | ZS56/40

1-1/8" Upper / 1.5" Bottom
Ø28.6 * ID44 * ID56 * 39.8
Height:     9.3+ 3= 12.3mm
Bearings:  Cartridge ball bearings 
                 41 * 7.7 * 45°     (R431) Upper
                 51.8 * 7.8 * 45°  (R440) Lower
Material:   AL6061-T6 top cover w/ steel cups & crown race
Finish:       Anodized + EDBK

Headtube:  OD50mm * ID44mm / OD62mm * ID56mm

PT-F13E Drawing download