![]() Measurements start automatically when the bicycle is in motion. * Generally, the tire size or ETRTO is indicated on the side of the tire. Mark where the valve stem is and measure the distance. Mark the spot on the floor and with the rider's weight on the bike, roll exactly one wheel revolution in a straight line (until the valve comes around again to the bottom). With the tires under proper pressure, place the valve stem at the bottom. How to measure the tire circumference (L)įor the most accurate measurement, do a wheel roll out.You can find the tire circumference (L) of your tire size in the chart below, or actually measure the tire circumference (L) of your bicycle. When it is not displayed, check the installation conditions A and B again. Then, the unit setting is completed, and the unit changes to the Measuring screen.Īfter installed, check that the computer displays the speed by turning the front wheel. Press the SET button with the current clock displayed. Press the SET button to complete setting.Pressing and holding the MODE button switches the display to "Display format", "Hour", and "Minute" in order. * Use "Tire circumference reference table" as a guide. Enter any value of the circumference in cm, and then press the SET button. ![]() Pressing the MODE button increases the numeric value flashing, whereas pressing and holding the MODE button moves the digit.With 205 displayed on the screen, press and hold the MODE button.* Entering the tire circumference ensures more accurate measurements. * Generally, the tire size is indicated on the side of the tire.ĭetailed setting (enter the numeric value of the tire circumference) Select the tire size (inch) of your bicycle, and then press the SET button. Simple setting (select from the tire size) Set the tire size by either one of the following methods. Press the AC button on the back of the computer. Perform the clear all data operation as shown below, when you use the unit for the first time or restore the unit to the condition checked at the factory. ![]() * The specifications and design are subject to change without notice. Slow response or black LCD at lower or higher temperature may happen respectively.)Ģ-3/16" x 1-15/32" x 5/32" (55.5 x 37.5 x 18.5 mm) / 1.06 oz (30 g) * The factory-loaded battery life might be shorter than the above-mentioned specification.Ĥ bit, 1-chip microcomputer (Crystal controlled oscillator)Ģ6", 700c, 27", 16", 18", 20", 22" and 24", or tire circumference of 100 cm - 299 cm (initial value: 26 inch)ģ2☏ - 104☏ (0☌ - 40☌) (This product will not display appropriately when exceeding the Working Temperature range. * After replacing the battery, be sure to set the unit again according to the procedure specified in "Preparing the computer". Install a new lithium battery (CR2032) with the (+) side facing upward. When the display becomes dim, replace the battery.
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