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Front tire circumference in CM?

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Just installed one of the cheap bicycle computers and it wants me to enter my front tire circumference in centimeters. I got about 190cm. Does this seem correct to all you math guru's out there? Thanks in advance :thumbsup::awww::devil:

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I got 2160 as well. To calculate:

1. Mark bottom of tire and pavement

2. Push bike one tire rotation and mark pavement again

3. Measure distance between two marks for total circum. of tire

No math!! Good luck. :thumbsup:

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thanks, i was trying to take the diameter and calculate it out. I like the make a mark idea better. thanks again.

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