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  1. S

    Sur-Ron - New Mid drive Bike

    well i have my phase set around 500 with battery amps limited to about 250 (18s32ah of 12c multistars) and it's night and day from stock obviously but very managable with proper throttle tuning. I've gone higher on battery amps testing with 20s 65-130c nanotechs (my phase on the 8000 is limited...
  2. S

    Sur-Ron - New Mid drive Bike

    Not sure why he’s got it installed that way either, the controller has it’s cooling shroud facing in that way. Also, the 8000 is almost the same size as the stock controller and mounts very clean (even in the proper orientation). I agree that you don’t need more power than the 4000 puts out but...
  3. S

    Modded Sur ron Question

    im running the 8000 with 72v32ah of 12c multistar lipos and ride it daily, and hard. I only had one issue that Im attributing to heat where the controller was throwing a fault-hall-sensor error and would't spin up until it had cooled. Even for that though, I think it was the controller since I...
  4. S

    Sur-Ron - New Mid drive Bike

    I don’t know who started the rumor that the ASI is hard to set up, you’re going to detonate your motor.... blah blah. I got the 8000 probably close to 6 months ago. Set it up in one day and just keep tweaking the configs for fun. I was worried about throttle control beforehand but then one day...
  5. S

    Oset 24" build

    I ride trials, not mx and the surron is def a better bike all around. Upgrade the controller and batteries and you have infinite options for power delivery. I squeezed a 19x3.5” trials tire on the back. With the bike being on the smaller side, that rear paired with some 27.5 dorado forks and mtb...
  6. S

    SURRON LB: RESEARCH & DEVELOPEMENT

    the converter is down in front of the motor behind the plastic guard between it and the controller. it can handle up to 18s so far tested.
  7. S

    Sur-Ron - New Mid drive Bike

    Using the asi 8k that the lunanerds pioneered. I’ve tossed the bms idea around a lot but I don’t really trust them and for one that can handle enough amps I’m looking at $150 min. It sure is nice to plug and forget the stock pack. Speaking of, you can get tons more top speed from the stock pack...
  8. S

    Sur-Ron - New Mid drive Bike

    iSo I stuffed 18s32ah in the battery box of multistars (6X4s16ah+2X6s16ah). They all fit barely (I slightly sanded down each side of the rear of the opening where the bolts protrude and its a tight fit but not enough to distort the cells. Initially, I was just running xt60s between the series...
  9. S

    Sur-Ron - New Mid drive Bike

    Let me know when someone makes a 65 or even 70t sprocket. Want to get my splatter on!
  10. S

    Sur-Ron - New Mid drive Bike

    Strava says I just did 50mph on a slight downhill with the 58t sprocket, 19x3.5 trials rear and 18s of multistars. Good fun but makes the stock pack less exciting.
  11. S

    Sur-Ron - New Mid drive Bike

    And to add to that, I found 50 pads for $50 on ali express. Although you’ll run 4 pads per brake you are effectively upgrading to mt7. I’ve been running them on the stock rotors with no issue. Has anyone tried any other controllers besides the asi yet???
  12. S

    Sur-Ron - New Mid drive Bike

    Magura mt5 from starbike
  13. S

    Sur-Ron - New Mid drive Bike

    18s works fihe on stock controller, 20s anyone? i'm jonesing for that new controller...
  14. S

    Sur-Ron - New Mid drive Bike

    I’m throwing 18s on the stock controller today. Will report back.
  15. S

    Sur-Ron - New Mid drive Bike

    i know initially they modified the BMS (in this thread) and used the ASI controller. figure still same asi controller plus maybe a battery upgrade? Amazing that the motor can handle (well, almost could... wonder if they figured out if it was the phase or not)... Im waiting on the new...
  16. S

    Sur-Ron - New Mid drive Bike

    Does anyone know the HVC of the stock controller? it's happy with 16s, but will it take 18s, 20s? I dont want to start upping the voltage until I see the magic smoke... Also,l wonder the same about the new SW controller.. I have way too many 5 and 6s lipos laying around.
  17. S

    Sur-Ron - New Mid drive Bike

    I blew my rear shock a few days ago. Leaked all the fluid out the bottom. So far weak points on the bike: Light (it’s ok but you can do much better for $7 on eBay) Brakes (they suck, levers, pads, etc...Buy some Maguras from starbike) Suspension (sucks compared to what’s available used from...
  18. S

    Sur-Ron - New Mid drive Bike

    My buddy made himself and me a replacement guard out of thicker aluminum. Very nice and fits like a glove. Back to the clutch topic, the new high end gasgas txt-e comes with a clutch and 6speed tranny. 13k though. Regardless, I think a clutch is a must for higher level competitive trials at...
  19. S

    Sur-Ron - New Mid drive Bike

    Crap, well at least your posting to a forum where the majority can feel your pain... So, I literally just got a tevo tornado. Would you mind posting the .stl file for that case? Looks perfect! Back to controllers, do you know if the new sine wave controller from sir-Ron is a rebranded 8000...
  20. S

    Sur-Ron - New Mid drive Bike

    Does anyone know the current limiting on the bms, AND the controller? Asking to see if I should throw together a 16s multistage pack out of the 8 4s16ah packs I have on the bench. They fit in the battery box, and I’ve already made an xt-90 to Supra-x adapter... Would the controller be able to...
  21. S

    Sur-Ron - New Mid drive Bike

    My rear pads turned to dust the first week. Luna didn’t have any in stock so refunded me $20 almost instantly. Since then I’ve upgraded to magura mt5 that I found for $80/each from starbike.... literally night and day performance contrast over stock. I really have to be careful to not lock up...
  22. S

    Sur-Ron - New Mid drive Bike

    I’d like a 68t (or close) please.
  23. S

    Sur-Ron - New Mid drive Bike

    so i've gone through about every mod discussed here except for electronics upgrade. here a few experiences with some recent topics: the peg/tire clearance - probably just remove the kickstand... once you upgrade the wheels/tires it becomes too short and prone to tipping if you're not careful...
  24. S

    Sur-Ron - New Mid drive Bike

    So, quick question for the experienced guys..... I want more power (like evertyone) and am contemplating voiding my warrenty before I really should and swapping out the controller (i also just picked up 8 x 16ah 4s multistars for just over $400 to make a 16s32ah pack). I've got 2 controllers...
  25. S

    Sur-Ron - New Mid drive Bike

    same thing with a buddies bike arrived saturday... instructions on luna's site how to force a charge with the charger and BAM, good to go. my buddies battery seems fine after a full charge, same range, etc as the others around.
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