- 1-1/8in, 36 degrees/ 45 degrees ACB<br><br/>- For 45mm OD (or ID 41mm) headtube<br><br/>- 1-1/8in steerer<br><br/>- Alloy top cap<br><br/>- Alloy top cover<br><br/>- Angular Contact Bearings (seal)<br><br/>- Stack Height 7.2+1=8.2mm<br><br/>- OEM package (This item is exactly as pictured and does not include retail package)<br><br/>- Color: Black (as pic. shown)<br><br/>- Weight: 80g (includeing top cap and starnut)<br><br/>Content: 1 set/pack