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  1. Y

    Cycle Analyst (CA) v3, GMAC stuttering when applying throttle while pedaling

    Hi all, thank you for the responses and advice! I got caught up with work but am debugging when I get a break :) I am talking with Peter from ebikes.ca, and walking through some debugging steps while I try to find a workable USB-TTL cable (I think I have one laying around). I did turn off all...
  2. Y

    Cycle Analyst (CA) v3, GMAC stuttering when applying throttle while pedaling

    As in the title; I have pretty much everything set up with a new GMAC RTR kit (, Baserunner, Cycle Analyst). I have an ERider torque sensor as well, but it's not working at the moment (reporting 5v whether plugged in or not), so I'm just testing the throttle and pedaling at the moment...
  3. Y

    Build help for a newbie

    Yeah, you all were right; after I spread the dropouts out to 138mm, I just needed to spread everything and jiggle it about a bit and the wheel slid nicely into place. The gears and torque arm juuuust clear the dropouts. I'm just overthinking things. Thank you all!
  4. Y

    Build help for a newbie

    Okay, so I'm a little puzzled as to how to continue here. After doing a LOT of measuring, it really does seem like I only needed an extra 2-3mm or so. I gave it a go with RJ's method from Youtube, and that seemed to do the trick; I am sitting at around 138mm between the dropouts, from 135mm...
  5. Y

    Build help for a newbie

    Oh wow, thank you! I was just puzzling about the possibility of this because the angle of the frame seemed like it would touch both on the cassette and the torque arm sides when I was eyeballing it. I'll look for half-washers!
  6. Y

    Build help for a newbie

    Thank you all for the advice! I'll be trying the RJ method with a threaded rod and nuts, once I can get out to the hardware store for some parts. I tried just spreading the dropouts by hand but couldn't get the job done comfortably. Will update once I've given it a shot!
  7. Y

    Build help for a newbie

    Hi! Yes it's a steel frame, so I guess spreading the dropouts could work. I'll try to look up the best/safest way to do that... I have some reversible trigger clamps that might do the trick. I was trying to test fit the torque arm assembly, which was how I discovered this 😂 if I need another...
  8. Y

    Build help for a newbie

    I am trying to install a grin GMAC rear hub kit onto my Trek multitrack 750 bike. Being a complete novice to bicycle maintenance and/or repair of any kind, I should probably have chosen something simpler, but I'm looking forward to getting to grips with this. Hopefully I'm asking this in the...
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