ICR Headset Top Cover & Spacer Set for IS52 - ZS56 1-1 - 8" Steerer
Part$30
Aluminum top cap and spacer set for IS52/ZS56 headsets with 1-1/8" steerer tubes. ICR anodized construction resists corrosion. Includes 10mm and 5mm CNC-machined spacers for fine headset preload adjustment and reduced steering play.