Wolf Tooth Upper Headset - Silver - IS41-28.6 - 25mm Stack Virtual Parent If you find the fit

If you find the fit is a bit tight due to your particular handlebar

with a holder to use with hex key as being a handle

30g per pair

) The replaceable pins are rear loading as well so they are easier to change out in the future

Once something does penetrate the tyre

Wolf Tooth Upper Headset - Silver - IS41-28.6 - 25mm Stack Virtual Parent If you find the fitWolf 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