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  1. K

    SURRON LB: RESEARCH & DEVELOPEMENT

    I have a 42ah 60v coming from Litespeed that fits the stock location no mods
  2. K

    Sur-Ron - New Mid drive Bike

    I’m running the Fox40 27,you get much better tire clearance from the hoop.I’m pretty sure Surron now come with Dnm 27’s as the 26 are no longer being made. My handling is much better than the 26 inch Rst they replaced🤔,going down hills feels much safer as the Fox40 stays higher in the stroke.I...
  3. K

    Sur-Ron - New Mid drive Bike

    They come with the Hd roller bearings now From the factory since last year December.
  4. K

    Sur-Ron - New Mid drive Bike

    To test if it’s the Bms,just do a temp bypass and see if that works.My Bms went out while on a ride and had to push home.It did a variety of odd things when it went out.One was it wouldn’t go into charge mode with the charger, charger would blink like the battery was below lvc .
  5. K

    Sur-Ron - New Mid drive Bike

    Thanks,that’s what I was hoping.
  6. K

    Sur-Ron - New Mid drive Bike

    Does anyone know what the third wire does or reads on the charger,I know there’s + - but what triggers it Steve
  7. K

    Sur-Ron - New Mid drive Bike

    Thanks guys for the info.What is the esp286?
  8. K

    Sur-Ron - New Mid drive Bike

    Wish I could read that post?
  9. K

    Sur-Ron - New Mid drive Bike

    That suggested Bms looks like one of the few that will fit under the cover,thanks for the link.
  10. K

    Sur-Ron - New Mid drive Bike

    Got a link for the Bms,as I need one too.
  11. K

    Sur-Ron - New Mid drive Bike

    I’ve had it open as Luna wanted me to do the Bms mod to check if that was the cause (B16) but no difference,also with the small plug unplugged nothing works or with it plugged in.
  12. K

    Sur-Ron - New Mid drive Bike

    My Bms is what went bad,it won’t charge or run the motor but on the battery rails I get 57v and 38 percent on the battery gauge.Luna wants me to send it to them for repair,but I live on a island in Hawaii so it’s more complicated to ship surface.About 1000 miles of narly off-road over 9 months.
  13. K

    Sur-Ron - New Mid drive Bike

    Where to get replacement battery: My battery died,shows 37 percent on the battery but only 27v at the output.Where are replacement batteries available.Luna is out of stock.
  14. K

    Sur-Ron - New Mid drive Bike

    Anyone change their rear shock spring to a 500lb rate,stock is 450.At 165lb Rider weight my spring is to soft and adding more pre comp is not a solution.Springs that fit are rare.Fox makes one but it’s 8.25 long and we need 7.6 long.
  15. K

    Sur-Ron - New Mid drive Bike

    Yea,went with the 27.5 but don’t plan on going with a 21 inch front .For my weight 165lbs the stock spring with 30% sag(1inch) was in the ball park so will try it for awhile.It stays in the upper range of travel and haven’t bottomed out yet.Small bump performance is excellent .Hope to have the...
  16. K

    Sur-Ron - New Mid drive Bike

    I ride off-road every weekend,it does beat you up a bit but builds muscle.I changed my rear shock to a Fox DHX2 which helped the backend to behave( less pain,better traction)Also have a set of Fox 40 forks on the way( Rst Killah fork killahs my back).Its a lot of fun passing gas bikes on the trail!
  17. K

    Sur-Ron - New Mid drive Bike

    Upgrading the suspension:I’m installing the Dvo DcD1 forks and the Fox DhX2 shock.In this Covid economy finding suspension components is getting harder to find.I ride only off-road in mostly hardcore trails and the stock suspension was beating me up. Just wondering what everybody is using for...
  18. K

    Sur-Ron - New Mid drive Bike

    Caution shock bolts prone to breaking.Found this broken bolt when replacing my shock.Looks like it’s been partially broken for awhile.
  19. K

    Sur-Ron - New Mid drive Bike

    Er-224 trouble code says(number of flashs22,sidestand protection,solution :auto recovery.The other codes don’t follow the Surron trouble code manual.
  20. K

    Sur-Ron - New Mid drive Bike

    Gear ratio’s:What’s yours. My setup All chain sprockets. 13/34 = 2.61on the motor,13/55 =4.23 on the rear ,2.61x4.23=11.04 final reduction.Good for about 32/35 mph.
  21. K

    Sur-Ron - New Mid drive Bike

    That’s the one,you can get them from 30 to 34t in 7075 al.
  22. K

    Sur-Ron - New Mid drive Bike

    New primary drive gearing:Stock is 13/30, my new gear is 34t.Rear wheel has a 55t.About 35 mph top speed but holds more speed on steep hills.
  23. K

    Sur-Ron - New Mid drive Bike

    Looks like his fork brace would hit his fender if he bottomed out the front suspension.
  24. K

    Sur-Ron - New Mid drive Bike

    I found my HDPE skid plate was easy to install,have 450 miles of hard Kauai off-roading and stump jumping with out problem,would never go back to metal.
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