Wolf Tooth Upper Headset - Blue - IS41-28.6 - 25mm Stack PDP|PLP|Brake Rotor Type With all the awkward bottle

With all the awkward bottle mount locations of bikes these days

Compatible with SRAM / Shimano cassettes

The AG-1 also uses an angled rib pattern with different density compounds to match your hand's articulation points and provide unmatched control

This little tool could save your ride

Wolf Tooth Upper Headset - Blue - IS41-28.6 - 25mm Stack PDP|PLP|Brake Rotor Type With all the awkward bottleWolf 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