gear calculation

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calculation results

optimal wear rate

optimal wear rate 100%
in every 17 chain rotation same tooth on small gear contacts same chain link
optimal wear rate 100%
in every 29 chain rotation same tooth on large gear contacts same chain link

The fewer chain rotations, the more each chain link contacts the same gear tooth, resulting in more and uneven wear.

Chain link adjustment

When changing gears, you can adjust chain links to maintain current (closest) gear centers.

Check center locks and adjust gears - chain links are adjusted to maintain the closest state to current gear centers.

speed analysis

chain speed at 1000 small gear RPM = 216.3 meters / minute
speed at tire diameter 27 inches on large gear = 47.1 miles per hour
gear RPM chart
← If changing gears throws off your speedometer, find the error for each gear combination.
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if your speedometer 100 with main small gear 16 and large 30 show, with current small 17 and large 29 number 110 will show, with a difference of 9.91%
0 0
5 5
10 11
15 16
20 22
25 27
30 33
35 38