Video by Brompton Bicycle via YouTube
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How to adjust or replace your handlebars. This job is rare, but would be necessary if your handlebars have had a significant impact or you want to change your riding position by swapping handlebar type.
How to use the 4 speed Advance gearing: https://youtu.be/7wzoq4b8XV4 5:23-6:54
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Author: Brompton Bicycle