Cable Integration System

PT-1866B-078 ZOOM
IS52/28.6  IS52/40
Internal Cable Routing System (Internal Headset)
1.5” upper/1.5”bottom for Tapered fork 1 1/8”-1.5”
Φ28.6*52*52*39.8
Height :9.7+1=10.7mm
Bearings: Sealed AC bearings 52*45°*H7(R457B)
Material: W/AL-7075 crown race
Headtube Bearing Seat depth upper 8.3 Lower 7
Option:PT-1867B-078  ③compression ring(NYLON PAG+30%GF)

PT-1866B-078 ZOOM drawing