AheadSet Star nut, 1" steel (some 1-1/8" alum)

Park Tool TNS-1 Threadless Nut Setter for 1" and 1-1/8" Forks

Origin8 Pro Threadless Headset, 1", Black

Sunlite Ahead Stem Shim, 28.6 to 25.4mm

AheadSet Star nut, 1-1/8" steel (some 1-1/4,1-1/8" alum)

SR Suntour XCM Suspension Fork 26", 1", 255mm threadless steerer, 100mm travel:

Origin8 Headset Spacers, 5mm x 1", Black

Shimano UN55 BB Square Taper Bottom Bracket (68x110mm)

Cane Creek 40-Series External Cup Complete for 30mm Head-Tube (1-Inch Straight Steerer), Black

Bike Headset Spacer 6Pcs Aluminium Alloy Bicycle Stem Headset Spacer Fit 1 1/8-Inch Stem Compatible with MTB Bike Road Bikes 2mm 3mm 5mm 10mm x 3 (Black)

Bicycle Headset Cup Removal Remover Tool 1" & 1-1/8"