Recent content by jpm600

I would say that changing from 48 -32 lowest gear to 40-28 lowest gear will actually only gain you about 4% increase in torque in that easiest gear. at top speed in 40-11 you will be about 9% slower and 9% more torque- compared to 48-12. I would think that more relevant is making sure that...

Well, i've finally got a gear on my bafang swxp-r (bought from elifebike). I had to file the thread with a thread file to open up the thread for the first 6 threads(ie butchered it on). My build is actually an old cr-mo steel road bike converted to single speed fitted onto this little rear hub...

Yeah, English thread is standard ISO thread which is 1-3/8" diameter and 24TPI (threads per inch). Every other hub motor i've seen or heard of has that standard thread, just not this one. For you mac motor that freewheel should be fine, but, so should just about any, as long as it's not M30 x...

Yeah, It should have a standard freewheel thread and the motor diagram on the website says it is. (ie. 1.375" x 24TPI) But when i put a 24TPI thread gauge accross it, it doesn't mesh. Metric 1.0 does mesh. But yeah, i checked very carefully that it's not crossthreading, it's not. It spins...

Hi, This is my first post, but i've done plenty of very informative reading through the many posts of the many experts that make this forum such a great place. Anyway, i'm putting together a fairly lightweight electric assist road bike with a rear bafang geared hub motor, small 6 FET...