How To Measure Mountain Bike Headset

In the shis this headset is written as ec34 28 6 ec34 30.

How to measure mountain bike headset. Measure the inside diameter of your frame s head tube. You need to measure it in two places. Of the head tube press fit. Not only is the standard important but the headset must be size compatible to your head tube.

0 2 mm discrepancy may result from measuring the i d. Write down your headset s full stats. While the interface requires lateral stiffness to withstand riding loads including cornering braking and potholes it also needs to be rotationally free for steering. These are found on bicycles sold by sears made by steyr in austria.

This lack of consensus in depth makes reaming the inside of the headtube problematic. Very similar to or the same as austrian. Higher quality austrian bikes use english iso. A common headset on many mountain bikes is sometimes referred to as a traditional 1 1 8 threadless cup headset.

Additionally the depth of insertion into the headtube will vary between brands and type. As the numbers reveal only in the case of the tapered head tubes will. Once you have your measurements use them as a guideline to find the right size bike. The idea seemed to have worked as it s a pretty standard way of measuring bikes and how they fit a rider now.

Measure your fork steerer tube. 1 1 4 inch 1 1 8 inch 1 1 8 1 5 inch tapered head tube 1 5 inch oversized head tube. The low profile type of headset is adjusted in a similar fashion as threadless headsets. Buyers guide to mountain bike headsets 1.

The od of the pressed cups measures 34mm figure 9. See page on german site. Pressure is applied from an adjusting cap and bolt in the stem. If the bike was designed for a shallow cup a deeper cup will not properly fit.

To size a mountain bike measure the height for the seat tube by standing up straight with your back against a wall using a tape measure to calculate the distance your pubic bone and the floor. The headset connects the fork to the bike frame holding it securely in place while allowing it to rotate to steer. 25 4 1 mm 22 0 mm. The transition bike company and turner bikes plus a few others back in 2008 set a standard for measuring and setting reach and stack on bikes when comparing frame sizes.

Identify if your headset is press fit or integrated.