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:p:mad::p

Well i think your eyes is inside your ass, thats why you didn't see my answers, right, ?

Today i tried riding this E-MTB again, I still heard the big noise whenever i used the smallest cog or sprocket on the cassette, at the same time i was using almost full throttle, was not pedalling, when i heard the noise, the speed was over 50KM/H, I dind't hear any noise when i the gear was...

okay, " without pedal assist " means i didn't pedal along in the test, throttle power boost was used as the only power source,

I don't have photos here, i will send later ok Chain always stayed on the smallest sprocket of the 11 speed cassette, only 1 chain ring, On my test ride, i didn't change gears while full on throttle, The sound is like a 2 teeth on two cogs grinding each other, Yes, 2 bikes have the same...

I was using 11 cog cassette, chain remained on the smallest cog, so that i would want to drain the battery in shortest time possible to find out the range kilometer for one charge, only after i tested using full boost mode without pedal assist, i knew it was not proper to use the smallest...

Hi, I tried riding new E-MTB with full boost mode without power pedal assist, i did it in order to test its battery and ranger per charge, i was able to do it, but i found it was a bit abnormal when i heard the noise , 1st i thought the noise was from the chain , it happened when the speed was...

No, we are just building this bike from scratch without knowing much knowledge about the system, appreciate it if you could give good advice

Hi, Again we are proceeding to building our EMTB, now we are kinda stuck on cost and effectiveness question of how many speed do we need for our EMTB？ We are pretty sure that we want our Mid drive EMTB to be Non entry level we want it to be like Middle end , also it has to climb hills with...

Great answer！~

So, in one word, what's the relations between the speed of the derailleur, the speed of cassette, and the speed of gear shifter?

Hi, I am wondering if the speed of Derailleur should be the same as the speed of cassette? We are building a new EMTB