Each kit contains the following items:

Black Oxide Sealed Steel bearings

Size: 36" x 78"

Post Mounts bolt in towards your frame/fork

decreasing friction

Wolf Tooth Upper Headset - Green - IS41-28.6 - 25mm Stack PDP|Colour Each kit contains the followingWolf Tooth Upper Headsets are machined in the USA out of aircraft grade aluminium with superior sealing for protection against the elements. Available in a variety of colours to add some style to your bike. The ZS headsets are for frames with internal bearing cups that are pressed into the frame. The EC headsets are for frames with external bearing cups. In other words, the bearing sits outside of the frame with these headsets. These IS headsets are