Orbit C-40 ACB, Diff Headtube 1.1/8 - 1.5 (8mm)

* Top 45°×45° ACB
* Bottom 36°×45° ACB
* For differential headtube OD headtube
* For carbon fibre special steerer
* Stainless crown race
* Stack Height 8.5 + 0.9 = 8.9mm
* Weight: 83.4g

**Spares:**

* Top Bearing: TH870 (160-1647)
* Bottom Bearing: TH073 (160-6761)
* Crown Race: H6083 (160-5536)