I hate to bust your bubble, but needspeedjoe hasn't had a post in 2 years. I hope he answers for you but he probably won't. How high are you looking to get the bike? I run the stock shock and I'm 185 lb. I like it, not everybody does I understand that. Let us know a little more information , maybe we can help you. I've had Buddies who put 9 10 11 and 12 inch shocks on them, they rode very back and high. They just didn't ride as well. Are you bottoming out, and that is why you're looking for something taller?hey I am converting my MX 500 like your and I put the 9 inch shock on but didn’t lift the bike as much as yours! How did you get yours to be that high?
MX650 mods?
2021 - 2040 of 2071 Posts
I've been coming here for a few things since I'm building 2 MX for my kids. Ones complete the other almost is. Blue one is just a hopped up 36v and a different controller. Paint and plastic batteries and bars/grips and shock.
The other is 48v 15ah 1800w brushless. With custom downhill forks and 160mm front and rear disc with MTB calipers. Rear shock, and other stuff. Still waiting on direct mount 31.8 bar mount and handlebars and it'll be finally finished!
Thanks took a few ideas from a couple people here and on YouTube.
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The other is 48v 15ah 1800w brushless. With custom downhill forks and 160mm front and rear disc with MTB calipers. Rear shock, and other stuff. Still waiting on direct mount 31.8 bar mount and handlebars and it'll be finally finished!
Thanks took a few ideas from a couple people here and on YouTube.
Hey FINALLY had the money to upgrade my mx500. I took the stock throttle and computer and motor off and put on a shelf for backup. I bought a fast scooters 36 volt controller and throttle with key and voltage readout. Then I put a 24 volt 500 watt motor in.
On the stock 12 volt 12 amp hour batteries which are a year-and-a-half old and are not in the best shape, I went 23 mph everywhere with a slight downhill at 25. Runs great. I have a lithium pack that I need to install.
Attachments
So I've had a couple MX500's converted over to a 48v brushless setup for a couple years now running on lead acid batteries. I highly recommend the brushless setup if anyone is thinking about converting, it was fun even on the lead acid setup.
I finally splurged and bought 84 of the new Panasonic 21700 40T cells to make two 52v battery packs. They are supposed to be one of the best lithium cells released the last couple years with a 35a discharge rating per cell. My brother has a nice 3D printer so I had him print up some 4 cell 21700 NESE modules. I have some pics of them split up but all 14 fit perfect in the bottom tray. I'm just waiting for the hardware to finish the modules to arrive from Europe so it could take a few weeks.
Here's an old pic before the brushless setup.
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I finally splurged and bought 84 of the new Panasonic 21700 40T cells to make two 52v battery packs. They are supposed to be one of the best lithium cells released the last couple years with a 35a discharge rating per cell. My brother has a nice 3D printer so I had him print up some 4 cell 21700 NESE modules. I have some pics of them split up but all 14 fit perfect in the bottom tray. I'm just waiting for the hardware to finish the modules to arrive from Europe so it could take a few weeks.
Here's an old pic before the brushless setup.
I haven't done anything to the forks yet. The rear is a DNM DV-22AR mountain bike shock in the 200mm size. I think it's the longest length you can go before the bike starts looking ridiculous.
www.dnmshock.com
It does come with a 750lb spring but it is way too stiff. I contacted DNM and they sell springs down to 350lbs. The springs are cheap at only $10 bucks but they want an additional $50 for shipping to the US. They said they got no US dealers for the springs. I think maybe between a 450-550lb spring would work best but I didn't wanna spend the money to experiment.
DV-22AR
BIKE,Bike Fork ,Bike Seat Post ,Bike Shock ，Scooter，ATV，WHEELCHAIR，Motorcvcle,DIRT BIKE，Motocross -DNM Suspension Technology.
It does come with a 750lb spring but it is way too stiff. I contacted DNM and they sell springs down to 350lbs. The springs are cheap at only $10 bucks but they want an additional $50 for shipping to the US. They said they got no US dealers for the springs. I think maybe between a 450-550lb spring would work best but I didn't wanna spend the money to experiment.
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I've had the pack built for a couple months and it's been running great. I built it using Samsung 21700 40T cells with N.E.S.E. modules that you don't have to solder. They work great and I highly recommend them if you guys want to built battery packs without having to solder tabs together. Here's a link to his site:
18650.lt
He's got the modules available to 3D print yourself or you can can purchase from him. My brother has a good 3D printer so I just had him print the modules for me. Here's some pics of the battery build process. I used 14 of the 4 cell modules to make a 52v pack. This is what the modules looked like opened up. You just insert the batteries inside and they are pressure fit.
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Here's the pack arranged with the BMS wires attached.
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I used a XT90 anti-spark for the main connection with a XT60 for the charge cable. I connect the XT60 charge cable is connected to the stock XLR charge port.
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Here's how everything is mounted.
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The pack fits perfectly in the bottom tray, I used a cheap dollar store cutting board as extra insulation on the top of the pack. I was even able to use the stock battery bracket but with longer screws. I mounted the controller diagonally in the tray with a rubber reusable zip-tie.
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Everything fits inside the stock case perfectly.
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The pack fully charged is 58.8 volts and I top out at ~27mph according to GPS. This is all with stock gearing. I've been on the stock chain for a few years on the 48v lead acid setup and I've had no issues. So far it's been fine on the 52v lithium setup.
18650 – AMtech
18650.lt
He's got the modules available to 3D print yourself or you can can purchase from him. My brother has a good 3D printer so I just had him print the modules for me. Here's some pics of the battery build process. I used 14 of the 4 cell modules to make a 52v pack. This is what the modules looked like opened up. You just insert the batteries inside and they are pressure fit.
Here's the pack arranged with the BMS wires attached.
I used a XT90 anti-spark for the main connection with a XT60 for the charge cable. I connect the XT60 charge cable is connected to the stock XLR charge port.
Here's how everything is mounted.
The pack fits perfectly in the bottom tray, I used a cheap dollar store cutting board as extra insulation on the top of the pack. I was even able to use the stock battery bracket but with longer screws. I mounted the controller diagonally in the tray with a rubber reusable zip-tie.
Everything fits inside the stock case perfectly.
The pack fully charged is 58.8 volts and I top out at ~27mph according to GPS. This is all with stock gearing. I've been on the stock chain for a few years on the 48v lead acid setup and I've had no issues. So far it's been fine on the 52v lithium setup.
2021 - 2040 of 2071 Posts
