How To Measure Sit Bones For Bicycle Saddle. The wtb fit right system uses a simple method to determine personalized saddle fit. Based on your individual biometrics and riding position, we calculate your sit bone measurement and match it to our complete range of saddles.
Spray water on the paper towel. Put white letterhead (a4) format page on the paper towel. Now that you are aware that the form and design of a saddle varies based on the form of bicycle and fashion of cycling, you will have to assess which shape of saddle to choose.
Sit down and try to mimic the upper body position you have on your bike.
Use a ruler or tape measure to determine the distance(in millimeters) between the center of the sit bones.write this number down because you will use it to set the rear width of your saddle. Measure the sit bone distance from center to center and add the value for the respective sitting position. Measuring the width of your sit bones only applies when you sit up straight. This method involves sitting upright on a piece of corrugated cardboard for a designated period of time.