Durable reliable steering performance for your new custom bike build or refurbished ride the lifeline integrated headset features precision acb sealed bearings for weather resistance and silky smooth action the top cap and bearing cover are cnc machined from t6 alloy with subtle lifeline laser graphics to match seamlessly with your bikes aesthetic the cnc machined 7075 crown race provides a precision interface between your forks and headset for lasting rattle free steering compatible with 1