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2 Comments

  1. you can get a 1″ to 1 1/8″ stem adapter so you can put virtually any stem you want

  2. HoffkaPaffka on

    Quill stems usually accept smaller diameter bars. There might be some fancy manufacturer making quill stems for 31.8, but the easy, safe and cheap method for you would be a quill stem adapter, so that you can fit modern bars on an old bike.

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