* For tapered 47mm/56mm OD head tube.
* For 1.1/8" to 1.5" tapered fork.
* Alloy top cover.
* Upper and lower sealed cartridge ACB bearings.
**Spares**
* Upper bearing: 160-1647 (870E).
* Lower bearing: 160-6761 (073E).
* Crown race: 160-5536 (H6083).