fsa orbit mx 1-1/8inches threadless mtb road headset with top cap, silver, no.20, xte1508 fsa top quality headset for use with mtb or road bikes in size 1 1/8"description & materials <br><br/> - 1-1/8", 36°/36° acb <br><br/> - od: 34mm <br><br/> - alloy top cover <br><br/> - forged and cnc machined 6061/t6 alloy cups<br><br/> - 36° micro angular contact bearings <br><br/> - 7075 aluminium crown race<br><br/> - angular contact bearings (black seal) <br><br/> - stack height 18.7+13.4=32.1mm <br><br/> - for 1"1/8 steerer fork <br><br/> - for head tube id: 34mm<br><br/> - weight: 119g (include alloy top cap) <br><br/> - oem package (this item is exactly as pictured and does not include retail package) <br><br/> - color: silvet (as pic. shown)<br><br/>content: 1 set (with top cap and starnut) / pack