Full Speed Ahead FSA TH-888 Threadless Complete Bicycle Headset, 140g, Black : Amazon.co.uk: Sports & Outdoors
FSA Orbit X 1" Threadless 1 Inch Headset, Black #XTE1625 : Amazon.co.uk: Sports & Outdoors
I have a 1 1/8 size fork with a FSA Orbit MX 1-1/8Inches Threadless MTB Road Headset with a fixed piece on the top and bottom of the headpiece. I don't know