Road Bike Rim Measurements

If you look closely enough at your road bike tyre you ll likely see numbers such as 23 622 or 25 622. Wheel circumference wheel diameter pi. For a hybrid bike take your inseam and multiply it by 0 69.

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Welcome to our site! Here we have a plenty of road bike rim measurements for you as your basic idea in of your next action! Feel free to download the image and use it as your guideline. Browse deeper to get more info about road bike rim measurements.

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The standard road bike rim size is 700c with the name coming from an approximate metric measurement taken from the diameter of the wheel including an inflated tyre.

Road bike rim measurements. If you want to know the sums then to find your road bike frame size take your inseam length in centimeters and multiply it by 0 70. The table below gives common and uncommon rim sizes with the corresponding bead seat circumference dimensions. So the rim spec will be 622 x then another number this other number will refer to the rim s internal width for a road bike this could be a number from 13mm up to 25mm with most road bike rims in the 18 19 mm area. As an example the measured diameter of the rim shown in the photo is 20 7 8 inches or 20 875 inches.

Rarely do modern road bikes sway from 700c wheels. For mountain bikes take the same measurement and multiply 0 6 you will then need to change the centimeters into inches. Hi glong if the 32mm width you mentioned is the internal width of the rim then a 2 0 inch tire or a 2 1 inch tire would be too narrow to fit the rim. Since the tire wraps around your rim the wheel diameter includes the tire on both sides thus the multiplication by 2.

Our recommendation would be 2 3 3 0. Given rim diameter the iso diameter and tire diameter the size of your tire converted to millimeters wheel diameter rim diameter tire diameter 2. Adult road bikes come with 700c wheels under the etrto iso this measurement is 622mm. We would recommend running 2 0 2 1 tires on rims with a 19mm 27mm internal width.

Multiplying by 25 4 gives the diameter in millimeters 530 mm.