Fsa Components Orbit Z Tapered #57 ZS44/ZS56 11/8>1.5 - Stainless Bearings

Both the upper and lower bearings in this headset are premium stainless steel sealed cartridge units - invest in this upgrade for increased longevity and reliability. 

For tapered steerers (can be converted to 1 1/8 steerer through purchase of a FS160-5538 crown race)