Wolf Tooth Lower Blue and Lower Sold EC49/40 Headset, (Upper Separately)

This lightweight and durable headset is made from aircraft-grade 6061 aluminum with three-stage custom sealing. It includes Enduro stainless steel sealed bearings. The crown race features a custom-molded dual lip seal to protect the bearings even in harsh environments. Compatibility: External cup headset frames with an upper head diameter of 34mm and a lower head diameter of 44mm. Material: 6061 aluminum Weight: 45g Stack: 12.25mm The stack height specification for EC headsets includes a 10mm cup (see specifications). *Upper and lower sold separately.