Bike Computer Wheel Size Calculator

Given rim diameter the iso diameter and tire diameter the size of your tire converted to millimeters wheel diameter rim diameter tire diameter 2.

Bike computer wheel size calculator.

Calculate your result by 2 54 to get centimeters and 25 4 to get millimeters if your tape measure uses inches. I ll calculate the best chainring cog combinations and skid patches for your speed and cadence and what your speed will be at various cadences. Wheel circumference wheel diameter pi. A bicycle computer can be used on an electric scooter or go kart if the correct wheel size is programmed into it.

Select the bike category from our calculator and find the appropriate frame height in the table for the respective non motorized bike type. Input this number as the wheel size in your sigma computer. Lay the millimeter tape on the ground. Wheel diameter is the distance between the bottom and top of the tire.

An accurate speed sensor can also improve the accuracy of gps bike computers like the elemnt elemnt roam and elemnt bolt especially in tree cover or near buildings. If you are looking to buy an e bike the size of an e bike varies depending on the type of e bike such as. E city bikes e touring bikes e mountain bikes etc. Is the value to enter into the bicycle computer for the wheel circumference or perimeter size.

Measure the height of the wheel from top to bottom with your millimeter tape. Tire size chart to get accurate results from a speed sensor like the wahoo rpm speed or blue sc input your wheel circumference in the wahoo fitness app. To get an approximate diameter in mm add the bead seat diameter to twice the tire width since the tire depth comes into the diameter twice. Multiply the height by 3 14 on your calculator.

Appropriate calculations will yield calibration numbers for computers in other groups. Using a bicycle computer on a scooter or go kart. 622 28 x 2 678. It will automatically calculate the estimated circumference in mm used by most new cycle computers cm used by some cycle computers.

We can still help you find the right frame size. Some bike computers require you to input tire size in centimeters while others use millimeters. To get the approximate diameter of the wheel with the tire on you would take the diameter of tire x 2 because it s both on the top and bottom the diameter at the rim pi 3 14 to get the cimcuference.