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0

I love MapMyRide (I have tried a few others but keep coming back to this ~ if I forget to turn it on or off, etc... it is easy to edit online) I have a USB Charger that I keep my iPhone plugged into while riding (and keep both in a water proof handlebar bag. I am not a bike racer so the bag doesn't bother me) and can go for 20 hours with the external ...


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First do a rolling measure while sitting on the bike to get the speedo calibrated to your actual setup. That's your method B Then I suggest also getting a proper map and making sure google's scale is correct. They care about navigation much more than 5% errors on inner-city distances, so it might be that their map is less accurate than a proper ...


3

I point out that your comment of I have (50-559) 26x1.95 tires I should set it to 2089. Doesn't actually match your table, which says: 50-559 (26"x1.9") 2089 mm 54-559 (26"x2.0") 2114 mm So the ETRTO number and the imperial measurement are not quite equal. Could be your circumference is closer to halfway between these, or 2101 mm Downside,...


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Google maps probably treats roads as not having any width, and corners as point turns. Unlike bends, if you zoom in you tend to see a sharp 90 degree change in line on a curve This will cost you the length of the arc you really take. It certainly omits all the lane changes, obstacle avoidance and similar manoeuvres. However there is some variation in ...



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