Black Headset for 1 1/8" steerers. 110-Series features the strongest materials, most effective seals and the best aesthetics with a 110 year no-questions-asked warranty
The PI-1 Alloy 45×45 headset has an aluminum ...
top cap, upper bearing cover, lower race and upper and lower cups. All-aluminum construction results in a lightweight headset. Each headset is fitted with super-smooth rolling, precision, 45×45 angular-contact sealed bearings.