1.1/8”, 45°×45° servicable ACB (campag)
For 46mm OD headtube
1.1/8” steerer
Campag compatible bearings (Yellow Seal)
7075T6 crown race
Stack height: 8.5 + 0.9 = 9.4mm
Spares:
Top and bottom bearings: TH870 (160-1647)
Crown race: H6119 (160-5558)