Product details:
Chris King No - The headset is brand new and never mounted on a bicycle. - Notes:1) This headset works with forks with an unusual steer tube size. It is for 1 1/4" straight steer tube forks. This is larger than the more common 1" and 1 1/8" sizes. 2) This headset works with frames with an unusual headtube size. It is for frames with a 37mm head tube diameter top and bottom that use external bearing cups. - Please double check your frame and fork to make sure they work with this headset.