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 Convert EZ-1 to dual 406mm

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warren Posted - 12/10/2013 : 11:41:48
My wife and I rode Rich Myers's EZ-1 dual 20" conversion bike at the Ohio HPRA races, and she was able to ride it without issues. I got the go-ahead to make the same modification to her bike, and will change out the tiny 16" front wheel for a 406mm 20" wheel.

Many people have done this and note this makes the BB higher and gives more trail. Handling does not appear to be an issue. The higher BB and lower RR of the bigger wheel should improve the speed.

This conversion should be very easy. Total cost, about $100.

I ordered a 20" EZ Sport fork, which has the same (long!) head tube that the EZ-1 has from Niagara Cycle. Finding a 406mm 20" front wheel with quick release was more difficult. I finally settled on a (relatively) cheap 20" wheel on fleabay. The wheel came with the heaviest, stiffest 20" tire I have ever seen.

The fork is black, and I'd like to paint it EZ-1 blue before installing it, but other than that, this is just a bolt on upgrade.

-Warren.
16   L A T E S T    R E P L I E S    (Newest First)
Richard Myers Posted - 05/14/2014 : 16:37:11
Yes Richard it is a bit faster and like Warren stated a bit squirmy getting started. I run a Kojak on the front and a Big Apple on the back which makes for a better ride.

Richard M.

Richard Myers
Ohio
http://tinyurl.com/3445gr
warren Posted - 05/13/2014 : 16:50:20
Hi Richard,

My wife has not yet ridden it. Hopefully she will soon.

-Warren.

Shakey Posted - 05/13/2014 : 10:40:03
Hi, a buddy just picked up an EZ-1, I was just wondering how the 20/20 is working out.
Much faster?

Thanks
Richard
warren Posted - 04/13/2014 : 17:55:52
Here's a bad picture, but you can at least see the new layout.



I took it for a ride and it was a bit squirrely to get started due to more trail and the massive Tour Easy trademark tiller, but once rolling it was very stable.

-Warren.
warren Posted - 04/05/2014 : 18:10:53
Back in December Niagara Cycle said the the long steerer tube 406mm fork was no longer available through J&B. This meant I was going to have to make something.

Having given up on the J&B forks, I ordered a 1" head tube chrome 20" fork from e-bay. The steerer tube wasn't long enough but fortunately I already had a long steerer tube that I hacked off of the fork I used for the rear seat stays on the dual 700C lowracer. Today I hacked the threads off the 406mm fork's head tube, and resized the donor head tube to make the combined head tube 8-3/4" inches long.

7/8" tubing is a press fit into these 1" head tubes. I cut a section of thick wall 7/8" tubing and knocked it into the remaining headtube on the fork, then brazed it in place. Pressed on the new headtube section and brazed the two sections together. After that it took about 20 minutes to swap forks. Nice! Hopefully this will help my wife ride a bit faster. I'll take a picture later...

-Warren.
Jackrabbit Jimmy Posted - 12/21/2013 : 14:18:42
No worries Warren. It is always nice to have a good inventory for the parts swap/sale that is taking place at the Padre's party.

Jackrabbit Jimmy
warren Posted - 12/21/2013 : 14:08:34
Strike two. Niagara Cycle sent me the same fork with a 1-1/8" steerer a second time, even though the listing stated 228x25. I could swear that the first one I bought through Amazon said the same thing, but when I checked after I received it, the listing said 1-1/8". I sent them an email to see what they say the problem is...

-Warren.
warren Posted - 12/16/2013 : 06:47:29
The steerer is 25mm by 230mm.
revbsg Posted - 12/16/2013 : 06:10:09
Fine with me if you want to swap stuff at the party. I can clear out a bay or two in the garage. Might even have some stuff that some one else might want.

Godspeed,
the Padre
alevand Posted - 12/16/2013 : 04:43:07
How long does the steerer need to be? Ive welded the steerer tubes, used an aluminum neck to hold them.

http://www.ebay.com/itm/20-Inch-CR-MO-Mountain-Bike-Forks-1-Threaded-/111193261610?pt=US_Forks&hash=item19e3a2862a

Tony Levand
Richard Myers Posted - 12/15/2013 : 17:24:06

The 20/20 mod makes for a better bike.
[URL=http://smg.photobucket.com/user/skatermyers/media/EZ1%20Light/DSCN0505_zps07c62285.jpg.html][/URL]

[URL=http://smg.photobucket.com/user/skatermyers/media/EZ1%20Light/DSCN0506_zps2860de42.jpg.html][/URL]

[URL=http://smg.photobucket.com/user/skatermyers/media/EZ1%20Light/DSCN0483_zps7bbe8d5f.jpg.html][/URL]
Garrie L Hill Posted - 12/15/2013 : 16:58:43
Not to hijack Bruce's party, but it would seem like a good place for the swapping to begin. Bruce, what think you?

Garrie "carbon based lifeform" Hill
HPRA Co-Dictator of the East
for pics of some of my time and money sucking projects
http://garriehill.winkflash.com/
and
http://s58.photobucket.com/albums/g277/cfbb/
and videos
http://vimeo.com/5513519


warren Posted - 12/15/2013 : 12:03:55
We used to have a WISIL bike swap once a year at the Wheel and Sprocket meeting. It was great for that. Maybe we should have a parts swap at one of our bike races where we can all bring a box of bike parts that we don't think we will use to sell, trade, or dispose of?

-Warren.
Upright Mike Posted - 12/15/2013 : 10:37:17
quote:
Originally posted by Jackrabbit Jimmy

That is precisely how I end up with so much bike stuff.

Jackrabbit Jimmy

Me too - it seems that with every part I find online, there's always one spec for it that's not outlined, and comes back to haunt me when I go to fit it on my bike - hence boxes of useless stuff. One day I'll actually resell it or fit it to another bike.
Jackrabbit Jimmy Posted - 12/15/2013 : 08:14:30
That is precisely how I end up with so much bike stuff.

Jackrabbit Jimmy
warren Posted - 12/15/2013 : 06:04:02
Ok, so not as easy as I would have liked. Apparently I ordered the 1 1/8" head tube version instead of the 1" version. Here's the 2nd one I purchased:
http://www.niagaracycle.com/categories/sun-ez-replacement-fork-for-ez-sport-228-x-25-black

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