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Product Image Zenith (Pz) black quill stem to A-head stem adapter 1" to 1 1/8".

Zenith/PZ black 1" (22,2mm) to 1 1/8" (28.6mm) quill stem adapter


 If you have a fork with a 1" threaded steerer but would like to use a 1 1/8" Ahead stem then this is the answer. Fit this adapter to the fork like you would any quill stem and then fit a ahead stem over it. A simple and cheap way to use modern bars on an older bike.

Quill is 22.2mm OD for 1" steerer to a 28.6mm clamp area for the stem.

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