marty izip wrote:Hi, Just built up an Izip using the 16 tooth mod. What a difference to standard. Thanks for the effort you put into the detailed description and photos.
For information my standard free-wheel came off using a BMX 4 lug removal tool (it had the notches already in) so no grinding.
gmonster2 wrote:Hi Dark Angel thanks for the info. I got a freewheel from chain reaction $17 posted to Australia came in one week, so all good.
My Izip TrailZ I bought in 2010 the freewheel had no notches! Does it only work if u grind notches in the innermost circle and turn? I got the inner part turning where the 2 holes are and the wording that is turning clockwise but it still wont come off?
I will try grinding at a friends tomorrow but I don't understand how your second method with the park tool worked as that seems to be on the holes and wording part which is what I have turning around no problem.
also where does the washer go?
and yeah the original freewheel does feel like its full of tar the new southpaw is heaps better..cant wait for a souped up test run..
thanks for any help mate...
jateureka wrote:Great write up on a relatively easy and cheap upgrade to the Currie eZip and iZip.
There's an explanation for removing a freewheel here but your methods sound good http://www.electricscooterparts.com/freewheelclutchremoval.html
DrkAngel wrote:I ran into a 2009 EZip Trailz, that required motor mounting bracket "adjustment".
Currie XYD-16 Motor
I'm not sure how common this situation is, does not seem very frequent.
Out of 20+ responses, only 1 other person, has mentioned encountering this "problem".
slats wrote:Thanks Drkangel, I,m going to try this with my ezip. I can only get the Fat southpaw ATM , would that make any difference?
slats wrote:Drkangel, Sorry, i just looked again and it is not 1/8th . It is 3/16th, so it doesn't meet the specifications. I'll keep looking . http://www.chainreactioncycles.com/Mode ... elID=54098
slats wrote:Yes, thanks guys, that makes sense. 3/8" chain would fit the 3/8" freewheel and OK on a 1/8th motor sprocket.
slats wrote:Fractions huh. I should have listened more in school. but you're saying that a 3/16" chain would be fine on the 1/8" sprocket without slipping or anything.
I just bought on ebay from patsbelair for us$32 the LONG YIH Co. 7 Speed Freewheel 11-30t ,11-32t, 11-34t .
I'm running the ezip on ping lifepo4s . I bought 2 15AH for US$ 670 and put them in the curry boxes. Ping was really helpful with the wiring and advice with quite a few emails and pics going back and forth. my ride to work is 12 Km along a dedicated bike track following a creek and I've even started peddling a bit to get in the spirit with the lycra mob. I kept it to 24 volts, i was a bit nervous about cooking the motor.
Anyway, if the parts arrive, i'll start putting it together at easter .... if not then it will be July.
It would be nice to go a bit faster. drkangel, are you on 36v with your ezip and these mods?
vansingela wrote:I just purchased a 2008 EZip, but I am a little disappointed with the top speed -- I am looking at doing this upgrade. Is it advised to upgrade the motor as well, or is the southpaw enough?
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