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    • By Roy Temper
      Motor Wires and Derailleur Protection
      Protect your motor wires going through the rear axel and if you have a derailleur with a derailleur guard. One of the best I have found is available at REI and is highly effective and provides a great deal more protection than the cheep thin guards sold online. Certainly worth the $20 i paid and if you have an REI near you it's available in most stores or at: REI.com


    • By shamot
      I live in area with many hills. I am unable to pedal uphill event with motor assistance due to high gear ratio. As for now I see two solutions:
      Install front derailleur Install read derailleur Combine both above I want to explore this solutions in this thread because I cannot find it elsewhere. I don’t have working solution now.
      According to http://www.szbaf.com/en/components/component/motor/rm-g06350d.html installation width of rear axle can be either 170mm or 195mm. My measures confirms that Sondors use 170mm width, which leave us less than 40mm space between motor and frame. Does anyone know if there is such narrow multi gear freewheel?
      Second problem will be derailleur installation. Since there are no holes for standard hanger, I believe frame has to be modified. Anyone did this?
    • By alienmeatsack
      I know a few others have done a 3-speed upgrade to their Sondors. I am in the process of doing the same with mine. So I thought I'd share my journey here and hopefully get some good feedback and inspire others to do the same. This upgrade is inspired by @biknut and his amazing upgrades to his Sondors eBike.
      I'm still waiting on parts, but here are the items I am using:
      3-Speed threaded freewheel cog with gearing that is similar to the stock rear cog:
      https://www.amazon.com/gp/product/B00X77GCZA/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1
      I believe a full standard rear 6-7 speed geared cog assembly works if you spread the frame, or remove some of the cogs and cut the shaft down. I am going to try this as a side project.
      The stock freewheel on my bike has I believe 16 teeth, and the above freewheel has 16/19/22 which, with the stock chainwheel, gives you a hill gear, a medium gear and then a "stock" higher speed gear. To change this, you will just need to replace the front chainwheel with something with the number of teeth to give you the ratio you want. I plan on changing mine so the middle gear is "stock" speed and there's a low end hill gear and then a higher speed gear eventually.
      Shifter:
      https://www.amazon.com/gp/product/B00XVPC7UW/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
      I'll be using just one of these two for my conversion.
      Derailleur:
      https://www.amazon.com/gp/product/B014N4WQZA/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
      Note this derailleur is designed to mount directly to the rear wheel axel instead of the frame. The frame mounted kind would work but would complicate the install process.
      Chain:
      https://www.amazon.com/gp/product/B0013C4JGU/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
      I went with a 5-speed chain to make sure I had plenty of length considering the cogs are pretty small in the rear. I am hoping it is long enough. If not I will get a 6-7 speed chain and then just remove some links to shorten it as needed. I am hoping whatever slack is there can be easily taken up by the derailleur.
      Shifter Cables:
      https://www.amazon.com/gp/product/B00KXMEXOY/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
      There are lots of these out there. You need to just make sure that they have the correct cable and housing size and that these match, and the end using the correct terminator. (the round piece on the end that connects to your shifter, I am not sure what this is called.)
      Optional:
      Zipties - I have a ton of these and they can be found at any hardware store or Amazon, etc.
      Freewheel removal tool - An awl or small screwdriver can also work, but the tool helps with the process. This of course depends on your freewheel and how tight it is based on how much you've ridden and how much pressure you've put on it. The stock freewheel has 2 dimples on the main body to be used as loosening leverage, I am not sure if it has the standard 2 lug slots, I need to check mine and take a photo and link to the right tool. But a good solid flathead screwdriver and a hammer should be able to loosen this up.
      I am expecting the first parts by next weekend and my first task will be to put the freewheel on and ride with just it. Then I can add the derailleur, shifter and cabling and adjust the derailleur to shift nice and smoothly.
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