Wolf Tooth Upper Headset - Orange - IS41-28.6 - 25mm Stack Images Uploaded - Ready for Review Manufactured to the high standards

Manufactured to the high standards Shimano is known for

No more grimacing when you bash your crank arms on rough trails

Soft rubber is co-moulded into the height adjustable top guide for silent operation

Tubeless canister: This is just a standard pump rather than a canister style pump

Cable Construction: STS-PS (pre-stretched

Wolf Tooth Upper Headset - Orange - IS41-28.6 - 25mm Stack Images Uploaded - Ready for Review Manufactured to the high standardsWolf 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