Small gap in headset. Is this a problem? - Bike Forums
Small gap in headset. Is this a problem? - Bike Forums
Hammer Headset,1-1/8" 34mm I.D. Headtube, With forged and CNC machined crmo cups and oversized 1/4 inch bearings in the lower cup, this headset will not let you down By FSA - Walmart.com
Bike Headset Spacers— How to Fine Tune Stack Height (Unique Headset)