fsa orbit is-2 1-1/8 threadless od 45mm road integrated headset with top cap, is-2(1-1/8), xte1534 fsa - 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