Hi,
I have installed the polar power output on my bike.
My bike is a TREK 5200 and the ratio is 39/53 and 12-25.
I test on the trainer with a fix 25km/h speed and
60sec per gear.
First test, no spacing, just install the chain tension on the bike.
gear = [12 13 14 15 17 19 21 23 25]
power_39 = [141 138 148 155 209 235 187 164 163]
power_53 = [181 143 147 155 167 116 251 142 150]
Second test with new installation at 5mm spacing for the chain tension
gear = [12 13 14 15 17 19 21 23 25]
power_39_new = [135 136 142 147 195 246 248 194 181];
Do you have suggestion? (Installation, chain, etc.)
I have more than 100W of difference for the gear!
I'm not very happy with these product!
Thank you
I have installed the polar power output on my bike.
My bike is a TREK 5200 and the ratio is 39/53 and 12-25.
I test on the trainer with a fix 25km/h speed and
60sec per gear.
First test, no spacing, just install the chain tension on the bike.
gear = [12 13 14 15 17 19 21 23 25]
power_39 = [141 138 148 155 209 235 187 164 163]
power_53 = [181 143 147 155 167 116 251 142 150]
Second test with new installation at 5mm spacing for the chain tension
gear = [12 13 14 15 17 19 21 23 25]
power_39_new = [135 136 142 147 195 246 248 194 181];
Do you have suggestion? (Installation, chain, etc.)
I have more than 100W of difference for the gear!
I'm not very happy with these product!
Thank you