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  1. J

    The Final Form?

    This will be my 4th bike frame. List of major components: -Fucare Taurus frame and front fork (26" fat bike) (have this) -3shul C350 V4 controller (have this) -QS 205 4T Motor with the 175mm axle (waiting on this) -Home made battery - 72v 30ah (20s7p) using molicel p42a cells (waiting on...
  2. J

    Fat Bike High Power Motor options (3000W+)

    Hey guys, I've been looking for a motor to put on a fat bike frame with 190mm rear dropout. It seems that NBPower sells one on AliExpress, they replied to my email claiming the 5000w motor is 50H, can produce 120nm of torque, and the 3T version has a kv of 11.9, 4T version has a kv of 10.5...
  3. J

    Grins All Axle V3 Fat Bike Motor

    https://ebikes.ca/blog/post/45mm-fat-deposits.html What do you guys think about this motor? 45mm magnets, 205 or 212 rotor diameter (not sure which). Maybe it will be rated around 2000 watt? In the motor simulator, it might be comparable to the XOFO DD45. I have the QS 205 on my fat bike...
  4. J

    Finding the correct spokes and rim for the QS 205 hub motor

    Hello guys, I got my hands on the QS 205 hub motor, and the flange holes for the spokes are 4.2mm in diameter. I want to build it into a 700c wheel, my ideal tire size is about 700 X 47c. I am going to build it using the Sapim single butted 13/14ga spokes bought from ebikes.ca, I already have...
  5. J

    Dual motor setup with a Kelly KLS motor controller?

    So I have been using a dual motor setup from Grin using a baserunner V5 on the front and a phaserunner V6 on the back of my Trek bike. I love the extra torque produced by having dual motors but I have a lot of problems with the phaserunner. It's constantly overcurrent faulting off the line...
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