SIZES
• 1-1/8”, for heavy duty retainer bearings
• 1-1/8” steerer
• 12mm “deep cup”
• Nylon top cover & plastic seal
• Forged and CNC machined steel cups
• Upper : Ø5/32” x 20 retainer bearings
• Lower : Oversized Ø3/16” x 20B retainer bearings
• Stack height 12.8+11.9=24.7mm
WEIGHT
• 149 grams
![Hammer Threadless Headset](http://www.fsaproshop.com/cdn/shop/files/media_cd706155-d714-4571-8139-fbf8e1ed699e_1400x1400.jpg?v=1713366822)
Various Disciplines
Hammer Threadless Headset
141-2340
$20.00