Wolf Tooth Upper Headset 25mm Stack Red EC34/28.6

This lightweight and durable headset is made from aircraft-grade 6061 aluminum with three-stage custom sealing. It includes Enduro stainless steel sealed bearings. It features an ultra-light stem cap with built-in spacers, as well as aluminum bolts and star nuts. A custom-molded dual lip seal on the crown race protects the bearings in harsh environments. Compatibility: Compatible with external cup headset frames with an upper head diameter of 34mm and a lower head diameter of 49mm. Material: 6061 aluminum. Weight: 54g. Stack: 25mm total stack. The stack height specification for EC headsets includes a 10mm cup. Upper and lower parts sold separately.