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Old 04-21-11, 11:41 PM   #1
mpmackd
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Help! Just bought my FIRST e-bike kit...an YXM 48V1000W e-bike kit off Ebay

Hey there. I just bought a YXM 48V1000W E-Bike kit off eBay that comes with a 20AH LiFePo4 Battery. I was wondering if this was the same kit you bought? I got it from daoji666 on e-bay. Has anyone bought this kit? Mine is a rear-wheel motor with a 5-speed flywheel.

I'm not an expert with bicycles (although I'm planning on learning a TON with this project), so I was wondering how big the space I need for the rear wheel has to be (width between the dropouts of the two rear arms that hold the wheel).

Also, it comes with a 5-speed fly wheel...so should I get a 10-speed bike? A 21-speed bike?

I haven't bought the bike yet. All I know is that I should look for a steel-framed bike. Other than that, I could use some help and tips on what kind of bike to buy in order to be the most compatible with this kit. Here is the e-bike kit I ordered:

http://cgi.ebay.com/ws/eBayISAPI.dll...m=290443810343


Please let me know.

Mike

mpmackd@gmail.com

Last edited by mpmackd; 04-22-11 at 01:00 AM.
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Old 04-22-11, 06:38 AM   #2
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Sunnyday bought one and I'm sure he'll give you some advice.
Also, sunnyday, what date did you order the kit and what dates did the separate pieces show up, specifically, so I (and the OP) can't guestimate when we can recieve ours?
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Old 04-22-11, 07:27 AM   #3
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Sunnyday bought one and I'm sure he'll give you some advice.
Also, sunnyday, what date did you order the kit and what dates did the separate pieces show up, specifically, so I (and the OP) can't guestimate when we can recieve ours?
It took about 10 days to recieve the ebike kit..and then the lifepo4 battery came about 18 days later...the battery takes a bit longer to recieve because of customs and shipping hazardous materials/batterys..

My charge controller went bad after only 10 miles of riding...you may not have that problem, but if you do, I would resomeend going to the ENDLESS SPHERE forum and buying the modded LYEN controller for $129.

My thumb throittle also broke immediately , so be careful when you tighten down that set screw....im now using the twist throttle.

You dont need to hook up the pedal assist sensor...you can just use manual throttle.

tell me what you voltage reads on your battery, once you fully charge it....I want to see if it comes down to 53.6 volts resting...after a full charge, like mine does.

If you are looking to buy a decent bicycle at a good price, I can recomeend GIANT brand...they are well made and you can get a hybrid with front shocks for under $400 new...I got mine used off craigslist for $200...they seem to be a solid bike for a low price.l
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Old 04-22-11, 09:08 AM   #4
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I bought a Giant Sedona and it's OK for a rear hub setup. If I did it again I look at www.bikesdirect.com maybe a Full Suspension MTB with an 8 speed derailer so the shift spacing would match up with a 5-6-7 speed freewheel. 9-10's use a narrower spacing. Our esteemed moderator AllenG has got me looking at Big Dummy's/Xtracycle and am thinking of this. I always knew the Sedona would be a noob build as I really want to do a tadpole trike. I'm beginning to think a Cargo bike could get me the range/hauling capacity and be faster/more maneuverable. They may be the ultimate stealth bike as the strange long wheelbase would draw attention away from the fact that it's also an ebike.
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Old 04-22-11, 04:26 PM   #5
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I will tell you what my per cell level is after removing the charge.. But only after I "break in" the pack.
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Old 04-30-11, 12:48 AM   #6
mpmackd
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Awesome. I appreciate the info. Oh ya....one other thing. I haven't received my battery yet, but the wires that are going to connect to it are two different colors. Which one is which? How will I hook it up? This would help me a lot. Thanks!

-Mack
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Old 04-30-11, 10:17 AM   #7
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Be prepared for the possibility of your controller going bad very quickly...I only got about a few miles out of mine before it burnt out. The ebay seller you purchased from will exchange another controller for yours if it quits on you..but you have to wait all the extra time to send yours back to him...and then once he gets it, he will send you another one...

I just went ahead and threw away the stock burnt out controller and bought a new upgraded one .
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Old 04-30-11, 03:21 PM   #8
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Have you tested the full range on your bike yet?
I'm still waiting on a tracking number...
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Old 05-02-11, 11:00 PM   #9
mpmackd
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so does anyone know anything about the wires?
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Old 05-03-11, 02:59 AM   #10
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so does anyone know anything about the wires?
Yes...positive goes to positive and negative goes to negative...

you mean you dont know that ? Are you sure a electric bike is a good idea for your needs ?

If you arent sure what leads on the battery are which..then put a multimeter on it.
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Old 05-04-11, 08:48 AM   #11
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so does anyone know anything about the wires?
What did you need to know about the wires?
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Old 05-04-11, 02:03 PM   #12
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Well I just received my "36v 20ah" battery from the seller of the kit you bought..
The reason I put the 36v 20ah in quotes is because this battery LOOKS SMALLER than me 36v 15ah battery and weighs less...
I will be testing the supposed AH rating tonight and will give you all the details..
The 36v charger that came with it , seems to be an SLA charger..
I'll test that out too.
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