1-1/8",36degrees/ 36degrees ACB,Deeper cups
For 50mm OD headtube
1-1/8" steerer
Alloy top cap
Forged CrMo deeper cups
Angular Contact Bearings (Black seal)
Stack Height 15.8+2.1=17.9mm

Spares:
Top & Bottom bearings: 160-6475
Crown Race: 160-5535

Colour Black
Size 11/8"
Weight 114.1g