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Mike Ritchie

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About Mike Ritchie

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  1. Mike Ritchie

    Mike Ritchie

  2. Chiming in here probably late in the game, but it really depends on how steep and long your hills are. I put a 20A controller in my Fold X and the increase in torque and climbing ability are significant. We also know that a 25A will fit, and the 20" wheels add torque as well. While the 750w motor would be better, the 500 mated with a 25A controller will do a decent job on most hills. Obviously, as Reddy stated, you'd be better off with a mid-drive torque monster, but the Fold X isn't a bad choice if you upgrade the controller.
  3. If you have an e-bike, having a volt meter is nearly a necessity. You can pick them up at Harbor Freight or Amazon for under $15. Simon Leung recently started selling volt meters that plug directly into your charging port. While a good DVM will be more versatile, this can help diagnose most problems related to bikes not turning on or batteries seemingly not charging. https://dragonfly2.net/shop?olsPage=products%2Fplug-in-voltmeter&page=6
  4. If you have an e-bike, having a volt meter is nearly a necessity. You can pick them up at Harbor Freight or Amazon for under $15. Simon Leung recently started selling volt meters that plug directly into your charging port. While a good DVM will be more versatile, this can help diagnose most problems related to bikes not turning on or batteries seemingly not charging. https://dragonfly2.net/shop?olsPage=products%2Fplug-in-voltmeter&page=6
  5. Typically what happens is that the PAS magnet disk gets too far away from the pickup sensor, down behind the right, front crank. Slide the disk as close to the sensor as possible. If that doesn't help, check your PAS plug (yellow) inside the bike to ensure the connection is tight.
  6. Hi folks. Many of you will know me and many may not, but I'm one of the admins on the primary Sondors Owner's group on Facebook. I'm also one of the original backers, and have owned a whole fleet of Sondors bikes since 2015. Over the years I've owned 4 originals from multiple campaigns (still have one), a Fold X (still have) and a Fold XS (sold). I've been upgrading these for years, so ping me if you have any questions. Oh...I'm in beautiful San Diego!
  7. Over the last several years SONDORS has evolved the electrical systems of their bikes from open/generic Bafang to several different proprietary set-ups. The purpose of this document is to briefly explain each generation of bike and explore the issue of parts compatibility for upgrades and repairs. The original "Original" (Generation 1) In 2015 the SONDORS e-bike was born after backers on crowd-funding site Indiegogo waited for up to half a year for the first $499 e-bike. There was only one bike, and it came in a few different color combinations. The bike was single speed and there wa
  8. Velomobileshop, electrobikeworld, luna cycle, pasion ebike
  9. You're probably jumpering the blue and yellow switch control wires by doing this. Nice job.
  10. This is good information, but let me complete the picture. The green wire controls the throttle lights. The yellow and blue are switched power for the 6 pin throttle. If you want to keep the three pin throttle that comes with 7 speed bikes but attach it to an aftermarket controller, you cut off the connectors and do the following: 1) Attach the blue and yellow wires from the controller to each other. This means the throttle is "always on" and doesn't require the switch that doesn't exist with the 3 pin throttle 2) Attach the white, black and red wires from the controller cable to the
  11. Mine is single speed. You have 2 choices with the 7 speed: get a 6 wire throttle from Sierra ebike, or rewire your controller throttle cable. Phil Hillis posted in our FB group how to do this
  12. Thanks for posting, Andreas. Here's are updated settings for the LCD. Ignore the one above.
  13. I installed a 20A controller and LCD from Sierra ebike (formerly velomobileshop). I will add commentary to the pictures, but here are a few things to note. First, the positives: 1) The bike runs like a scalded cat! The 48v battery with the 20A controller on the smaller wheels (and lighter frame) feels like it pulls stronger than my 36V 25A fat bike. I also hit a throttle-only speed of around 26mph. My son took it for a test drive and said "holy crap what did you do to this bike?!" after he rode it. :) 2) The install was fairly straightforward and can likely be done by anyone that's even
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