How Do You Measure A Bike Stem

The length of your stem will also influence your overall reach on the bike.

How do you measure a bike stem. The useful length of the stem measured from the center point of the steering bore to the center of the handlebar clamp except accounting to rise on stems this measurement may be made along an imaginary line. Center of hb clamp to center of stem bolt. Picture 2a shows a quill stem with a shorter neck angled downwards next to a threadless stem with a longer neck. 1 stand in bare feet on a solid floor not carpeting with your feet 2 inches apart.

The real length of the stem from the center of the steering bore to the handlebar clamp we call it stem length. Measure your current mountain bike stem to find the proper replacement or to know what size stem to place on a new mountain bike. Lenghts and angles differ and are important when fitting a bicycle to suit a rider. A shorter stem will give you a more upright position and sharper more responsive handling but this may be at the expense of high speed stability.

Stem length designated in millimeters may be indicated on the stem. In order to alter stem length you must first know the length of your current stem. Most bike manufacturers fit different length stems across the size range so shorter stems on smaller frames and longer stems on bigger frames. This size specific approach goes a long way to getting you set up with the correct stem length providing you ve chosen the right size frame another area where a bike fit comes in useful.

The colorado cyclist says when you have the proper stem length you can breathe easier your neck and back are more comfortable and your weight is evenly distributed over your mountain bike. Measured from the center of the actual steering axis to the center of the stem extension. However when i measure the stem on my mountain bike that way with my calipers it reads right at 95 mm. Stem length is one aspect of a road bike that you can alter to increase both comfort and performance.

Measured from an imaginary line perpendicular to the steering axis to the center of the stem extension. I ve always thought that you measured a bike stem from center to center. How to measure a bike stem. Important dimensions and how to measure.

With a few measurements you ll know what size stem you need to make riding your bike comfortable and efficient. On stems with built in rise this measurement will be made along an imaginary line as seen in the diagram. It says on the side of the stem 25 degree rise and 110mm.