* 1.1/8â semi-cartridge type headset
* For 49mm OD headtube
* 1.1/8â steerer
* Alloy top cover
* Chromoly cups
* Semi-cartridge bearings
* Stack height: 18.7 + 3 = 21.7mm
**Spares:**
* Top and bottom bearings: MR083
* Crown race: H6018 (160-5549)