Most bicycles today use a steering system that is relatively easy to adjust to fit to the rider's needs. A steering stem that holds the handle bars is inserted into the steering column. A stem bolt that fits into the stem is connected to a wedge or expander at the bottom of the stem. The stem is then inserted into the steering column and the stem bolt is tightened. This jams the wedge or expander into the side of the steering column, securing the stem. The stem bolt can be loosened at any time to adjust the height of the handlebars.
Step 1
Locate the stem bolt at the top of the handlebar stem.
Step 2
Insert the Allen wrench into the top of the stem bolt, or use the adjustable wrench on the hex head of the stem bolt, depending upon the type. Turn the bolt with the wrench counterclockwise several times to loosen either the wedge or the expander inside the steering column.
Step 3
Remove the Allen or adjustable wrench from the top of the stem bolt, and tap the bolt with a plastic mallet, if the bolt wedge or expander are stuck, to loosen it.
Step 4
Raise the handlebars to the desired height by sliding the stem up in the steering column. Once the handlebars are at the proper height, ensure that the they are aligned correctly.
Step 5
Re-insert the Allen wrench and tighten the stem bolt to jam the wedge or expander within the steering column. Tighten the bolt until the stem is secure.
Things You'll Need
- 6mm Allen wrench or adjustable wrench
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