INSTALLING A HANDLEBAR AND STEM

We show you how to assemble and look after your bar and stem

1-2hrs £20-£900 for parts ✓ 4, 5, 6mm Allen keys ✓ Screwdriver ✓ Cable and side cutters ✓ Anti-seize grease ✓ Loctite, fine emery paper There are two main types of handlebar stems: threadless (also known as Aheadset) and expander bolt with quill, which is a much older style. Threadless stems clamp around the fork’s steerer which, as the name suggests, isn’t threaded. The stem effectively becomes part of the headset system, which is adjusted by tightening the Allen bolt in the top cap. Bar height is adjusted by installing spacers either below or above the stem. Most bikes use the threadless-type stem and headset. The older-style stem, with expander bolt and quill, slides into the steerer and is fastened in place by an Allen bolt that pulls on either…

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Bike Repair and Maintenance (Digital) - 1 Issue, Bike Repair and Maintenance 2020

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