Threadless headset – First C361A

20,16 
For 28.6 mm to 38.1 mm steerer, 28.6/52/52/40/39.8x7 mm, threadless, aluminium, sealed bearings

Threadless headset – First C522A-5 Internal Routing

41,86 
For 28.6 mm to 38.1 mm steerer, 28.6/52/49/40 mm, threadless, aluminium, sealed bearings

Threadless headset – First CS3

11,34 
For 28.6 mm to 38.1 mm steerer, 28.6/44/56/39.8 mm, threadless

Threadless headset – First HS

15,43 
For 28.6 mm steerer, 28.6/44/30 mm, threadless, sealed bearings

Threadless headset – First HS3

12,93 
For 28.6 mm to 38.1 mm steerer, 28.6x44/56x39.8x12.9 mm, threadless, cartridge bearings

Threadless headset – First PE

10,23 
For 28.6 mm steerer, 28.6/44/30 mm, threadless, cartridge bearings

Threadless headset – First RK

25,27 
For 28.6 mm to 38.1 mm steerer, 28.6/44/56/39.8 mm, threadless, aluminium, sealed bearings

Threadless headset – First UN02

24,26 
For 28.6 mm steerer, 28.6/34/30 mm, threadless, aluminium, sealed bearings

Threadless headset – First Z

11,00 
For 28.6 mm steerer, 28.6/34/30 mm, threadless, steel, black

Threadless headset – First Z1

8,93 
For 25.4 mm steerer, 25.4/30/27 mm, threadless, steel, silver-colour

Threadless integrated headset – First C307A-1 Angle Limited

38,45 
For 28.6 mm to 38.1 mm steerer, 28.6/44/56/40 mm, threadless, aluminium, sealed bearings