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Shocker

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About Shocker

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    Yet Another Internet Guy

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  1. Actually, GMAC now has geared hub motors that can do regen.
  2. A quick update, but I went the other direction and did a freewheel swap. I was able to source a 11-30 tooth 7-speed DNP freewheel, but they also had 11-34 that was out of stock. The swap was straight forward with a freewheel tool. I did remove the brake caliber and derailleur and making sure I didn't bend the brake rotor. The new freewheel seems to have shallower threads, but Sondors had an extra spacer by the hub motor. The new freewheel was a perfect fit after I removed the spacer. I only turned the derailleur cable adjustment nut less than 1 turn to get the chain aligned perfectly. It is a good thing that I didn't go 11-34, as it seems the derailleur is fairly close to the limit without using a longer chain. Did a quick test at 24 MPH, and the pedal cadence was good. I think I will leave it for now.
  3. I double checked bike path and even reviewed the ride video several times, and there was absolutely nothing could of cause this rupture. First and only time had ever happened to me, and it was loud. I did run it at 85 PSI for better high speed stability, but it is rated 100 PSI.
  4. Happened to my Schwalbe Marathon tire as well. Luckily, it exploded at 10 MPH, not at 30 MPH.
  5. I know our Fold X7 will run at 46.2 V, but I'm not sure what is the official low voltage shutdown (if any.) We never tried to drain the battery that deep to find out. On my other 48V bike, I put 41V as the cutoff on the controller side.
  6. That is true, and my kids do mention the very wide tube that houses the battery hitting their knees. The folding locking latch makes even wider on the right. For me, I am more aware of the design, and I think it okay for my riding.
  7. Not sure, as I've never ridden the larger fat bike to make a fair comparison. Common sense would tell me to pick the larger tire size if your priority is about snow traction. The Fold X has bigger battery and smaller dimension for smaller (like my 13 years old daughter) riders. It also "folds" for transport.
  8. I've tried our Fold X 7 out last winter, with about 8" of left over snow. I'd say it is better than skinny tired bikes, but I was not able ride through many part of the un-shoveled path. However, with the activation of the throttle, I was able to plow the bike through the snow with my legs dangling and balancing the bike.
  9. Looks like there might not be anyone has this Fold X modification. Meanwhile, I am studying the chainstay, and it appears to have some extra clearance for a larger chainring. I think I will add this modification as one of my winter projects.
  10. With the Chinese trade war ongoing, the newly imposed 25% tariff will affect the prices of electric bikes. I had already cancelled my Fold Z a few weeks back, as I didn't want to wait for the November delivery. For those are still awaiting for delivery, do you think Sondors will honor the purchased prices?
  11. What is the maximum chainring size that can be installed on the Fold X7 without hitting the chainstay? Anyone upgraded and has a favorite size? I counted the teeth, and the stock Fold X7 chainring comes with 44 teeth. I went out with my son for a ride today, and his borrowed (sister's) Fold X7 was not able to keep up with my 20" wheel mid-drive home build. He claimed he couldn't pedal faster. Surely enough, when I swapped my bike with his, I was only able to hit about 20 MPH top speed in 7th gear without using crazy cadence. Come to think of it, 20 MPH is fine, but I just want to slow down the cadence. I can't remember this for a fact, but I thought I was able to hit 26 MPH with throttle only when we first got the bike.
  12. Sorry, notice you had Fat 7, not Fold X7. I will start a new post for my question.
  13. Did you do the upgrade? What is the size of chainring you ended up using? Any limitation on the maximum size without hitting the chainstay? I went out with my son for a ride today, and his borrowed (sister's) Fold X7 was not able to keep up with my 20" wheel mid-drive home build. He claimed he couldn't pedal faster. Surely enough, when I swapped my bike with his, I was only able to hit about 20 MPH top speed in 7th gear without using crazy cadence. I counted the teeth, and the Fold X7 chainring comes with 44 teeth. Come to think of it, 20 MPH is fine, but I just want to slow down the cadence. I can't remember this for a fact, but I thought I was able to hit 26 MPH with throttle only when we first got the bike.
  14. Sounds like batch variations. Hopefully, support will get back to you to resolve this. Meanwhile, the worse case scenario is to wire in new connectors, something like the Anderson Powerpole or the XT60.
  15. Hopefully you get it resolved. It sucks to have a new bike and not working properly.
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