Use for 1" Stem
Headtube ID: 30mm
Crown Race: 27mm
Dimension:1"x30x27
Stack Height:29 ± 1mm/Cup Type
ACB sealed bearing: NHB-6B (7H * OD41.8 * 45° * 45°)
Material: 6061/T6 CNC Machined Top Cover
7075/T6 CNC Machined Crown Race
APPLICATIONS: MTB, ATB, Racing & Trekking
SHIS NORM: EC30/25.4 | EC30/27
