The ETC Threadless Alloy Headset, 6061-T6 CNC machined top cover and cups with 7075-T6 CNC machined crown race.
- 1 1/8" x 40 x 30mm ID/OD 44/50
- ACB sealed bearing (NHB-5D) size OD41 x36° x45°
- Stack height 9.1mm
- Weight 77.8g
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