Synace steerer tube clamp, Star Nut for 1 1/8-inch steerer tubes.

Cane Creek Spacer 110 Interlock in red, 1 1/8 inch, 5 mm height

Ritchey Superlogic Headset Cap, Aluminium with press-fit claw, 1 1/8 inch

FSA Steerer Tube Compressor Carbon Cap 1 1/8 inch for steerer tubes with an internal diameter of 21–26.2 mm

FSA Steerer Tube Compressor Aluminium Cap 1 1/8 inch for steerer tubes from 21–26.2 mm

Procraft A1 1/8-inch steerer tube compressor for steerer tubes with an internal diameter of 22.2 mm

Procraft A1 1/8-inch steerer tube compressor for steerer tubes with an internal diameter of 23 mm

Procraft A1 1/8-inch steerer tube compressor for steerer tubes with an internal diameter of 24 mm

Procraft A1 1/8-inch steerer tube compressor for steerer tubes with an internal diameter of 25 mm

Ritchey 1 1/8-inch steerer tube compressor for steerer tubes with an internal diameter of 22.5 mm