Ypedal said:For sub 1500w operation.. 4 series.
For 2500w + .. x5..
How's that ?
efreak said:If I understand this correctly, you need to have .... a lot more available power both volts and amps for the x5
tomv said:http://www.ebike.ca/simulator/ is an addictive toy that also illustrates some differences between 4 and 5 series. Bellow a few datapoints I've picked that show the differences between 408 and 5304.
...
Can anybody enlighten me what is a puma motor?
The7 said:It seems that
X5 + 20" + Li
or
Puma + 20" + Li
is a new fashion in e-bike.
X5 is quieter and robust.
Puma is lighter with less drag in pedal-only.
Which would you opt?
Jozzer said:the 4 series works ok and is very reliable, the puma has way more "zing".