Cane Creek 40 Series Italian Headset Top Assembly - Lightweight Aluminum, Sealed Bearings, 45 x45 Adjustable, IS/42/28.6 H9/K Brand_LOOK this 4-piston hydraulic caliper is

this 4-piston hydraulic caliper is engineered for both front and rear braking applications

- Compatible with SRAM's model ID: FS-SPP-A0 for seamless integration

- Nano AirBooster CO2 Inflator: Compact and efficient

- High-density Dyneema dial closure for exact fit customization

SEO-friendly CO2 inflator head-designed for performance

Cane Creek 40 Series Italian Headset Top Assembly - Lightweight Aluminum, Sealed Bearings, 45 x45 Adjustable, IS/42/28.6 H9/K Brand_LOOK this 4-piston hydraulic caliper isThe 40 Series is the workhorse of Cane Creek's headset line up. Representing the balance of performance, durability and value, the series incorporates all the features necessary for a robust, lightweight, long lasting headset. External cups press into headtube. Sealed black oxide bearings Carbon friendy compression ring captured in top cover, keeping shims in place Interlok spacer compatible