Roll Forward

Stem

Wheel

Circumference

FIGURE 6: ROLL OUT METHOD

vert inches to millimeters, multiply inches by 25.4). Use this number to replace the default (default values are 2073 for wheel one, and 2134 for wheel two) when programming your computer. (See figure 6)

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You may also use the following quick-reference chart:

Generic Tire Size Chart

(This chart is for non-specialized tires)

26

X 1.75

2140

26

X 2.0

2074

26

X 2.1

2090

650C X 20

1945

700C X 26

2124

700C X 38

2170

Programming the circumference:

To enter the tire circumference number, select the odometer (ODO) mode and hold down the "FUNCTION" button for three seconds. The display will now show the currently selected tire size for wheel option #1. (See figure 7)

If necessary scroll through the prepro- grammed tire sizes by tapping both

FIGURE 7: CIRCUMFERENCE PROGRAMMING SCREEN

the "MODE" and "FUNCTION" buttons simultaneously until the display shows a four-digit number. This number represents your tire circumference in millimeters. Press the "MODE" button until the flashing digit is correct. (Note: The "MODE" button may be held to scroll to the correct digit.) Press the "FUNCTION" button to select the next

digit to the right. Repeat the process until all four digits are entered as your tire circumference. Press the "FUNC- TION" button once to select it and enter the circumference for wheel option #2. Follow the same procedure to program the wheel #2 tire size and tap the "FUNCTION" button to exit cir- cumference programming mode.

4. Setting the Clock

Your SpeedZone Comp features two clocks, one analog and one digital. The hands of the analog clock will be set automatically to correspond to the digital one. To access the "clock mode" press and hold the "MODE" button for three seconds. To set the clock, press the "FUNCTION" button for three seconds. The display will flash either twelve (12:) or twenty-four (24:).

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Specialized CR2302 manual Roll Forward Stem Wheel Circumference, Generic Tire Size Chart, Programming the circumference