Steel Rims

The "Pimp my Ride" section for Soviet bloc bikes. Everybody seems to have their own custom add-ons, modifications & accessories. Share your tips and post pictures of them here.
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This is the place for topics concerining modifying and accessorizing your Ural or Denpr.
Who's Ur Grandaddy ?
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Re: Steel Rims

Post by Who's Ur Grandaddy ? » Mon Nov 11, 2019 2:52 pm

I did a quick search for 18" BMW steel wheels . around $200 each + shipping on eBay
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Lmo
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Re: Steel Rims

Post by Lmo » Wed Nov 13, 2019 5:12 am

Lou , I would recommend that you re-lace some round steel wheels , if you can find them.
That was the idea behind this thread...
Lew Morris
Dnepr w/ '06 Ural Drive Train
C5 Power Arc
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Drilled slides/
.030" shims

1973 BMW R75/5 (original owner)
1947 HD FL (long gone, forever regretful)

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Re: Steel Rims

Post by wyowillys46 » Wed Nov 13, 2019 11:36 am

I recommend Woody's, although shipping will be a bit expensive to Pismo. I've had them rebuild all four rims on my bike (only one with an alloy rim so far), and I've had them build two alloy rims for an M72. Jarod was pretty surprised at how out of round the steel rims were. If you do get them rebuilt, check the drums for out of round after they're laced up and find a machinist who's willing to mount the whole wheel in a mill and touch up the friction surface.
Morgan

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Re: Steel Rims

Post by Snakeoil » Wed Nov 13, 2019 8:13 pm

You don't have to put the wheel in a mill. There are brake drum lathes that will take our Ural wheels. I know because I had my front drum turned.

The Ural wheels are not the roundest rims I've ever encountered. I suppose if you made some jigs, you could make them better on a press. But it would take some patience and effort. An unlaced rim is not easy to check for roundness. It's doable, just not easy. And you sure are not going to pull them round with the spokes.

A friend of mine has a tool that was probably created sometime before WWII. It uses the hub as a base and presses rims back into shape after having hit a pothole and bent. It is from a time when money was tight and you fixed rather than replaced. Hourly rates were cheap then, too.
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Rob
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Lmo
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Re: Steel Rims

Post by Lmo » Wed Nov 13, 2019 9:32 pm

Vintage Brake is the go-to for drum brake bikes. >> http://www.vintagebrake.com/

But Dave (the owner) once told me that you can pull a brake drum out-of-round simply by over tightening spokes.
Lew Morris
Dnepr w/ '06 Ural Drive Train
C5 Power Arc
125/42 jets
Drilled slides/
.030" shims

1973 BMW R75/5 (original owner)
1947 HD FL (long gone, forever regretful)

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Re: Steel Rims

Post by Snakeoil » Thu Nov 14, 2019 12:44 am

Yup. That's why you turn them after they are laced and run in a bit.
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Rob
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2000 Ural Tourist
40 Pilots, 122 Mains
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Re: Steel Rims

Post by wyowillys46 » Sat Nov 16, 2019 3:21 pm

Yep. Exactly why the drums are turned or milled after the wheel is built. Just like the proper way to bore and hone a cylinder is with a torque plate installed.
Lmo wrote:
Wed Nov 13, 2019 9:32 pm
Vintage Brake is the go-to for drum brake bikes. >> http://www.vintagebrake.com/

But Dave (the owner) once told me that you can pull a brake drum out-of-round simply by over tightening spokes.
Morgan

'06 Gear-Up
195? M72/K750 hybrid

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Re: Steel Rims

Post by Snakeoil » Sat Nov 16, 2019 6:47 pm

But Dave (the owner) once told me...
I thought Mike Morris owned Vintage Brake. Is he just the guy that runs the place and Dave is the owner.

Mike knows his stuff and has been helpful with vintage drum info in the past. He's very honest about his shop being backed up and the prices are not cheap. I asked him about turning Ural drums and he dissuaded me from sending them to him. I suspect he did not think they were worth it.

We put my front, which was pulsing badly, on my friend's brake lathe and just took enough off to true it up. What a difference. He died last year and I'm heard they were selling the equipment in his shop. Wish I had room for that brake lathe. Not sure I could justify buying it though. Would be fun to do vintage bike wheels, though.
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Rob
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2000 Ural Tourist
40 Pilots, 122 Mains
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Re: Steel Rims

Post by jaybird » Sun Nov 17, 2019 5:24 pm

I have a 21” swing Bradford lathe, when I run 3 phase electric into that building, trueing Ural brake drums is going to be one of my first projects. :D

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Re: Steel Rims

Post by Spat » Mon Nov 18, 2019 12:43 am

+ 1 on Woody's, they'll push you towards Excel wheels pricey but they'll put up with the hammering of a Ural (I hope) and what they recommend for the big heavy BMW GS Big Pigs. I was skepitcal but after the later model Ural aluminum wheels failed from my first Woody' rebuild I went for the Excel's. Either wheel I never had a spoke (stainless) problem, Ural wheels failed too many times. Lucky I don't pay shipping, their close.

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Re: Steel Rims

Post by Snakeoil » Mon Nov 18, 2019 2:26 pm

jaybird wrote:
Sun Nov 17, 2019 5:24 pm
I have a 21” swing Bradford lathe, when I run 3 phase electric into that building, trueing Ural brake drums is going to be one of my first projects. :D

Happy trails,
Jaybird
Yikes! That one mutha of a lathe. Don't 'think I'd want to slide that down the basement stairs. :wink:
Regards,
Rob
Proud member of the Peanut Gallery
2000 Ural Tourist
40 Pilots, 122 Mains
Before you say something stupid, always ask yourself, "What would Harpo say?".

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Lmo
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Re: Steel Rims

Post by Lmo » Tue Nov 19, 2019 1:28 pm

Does anyone know what the dimensions of a 'stock' steel rim are for a 4.00 x 19" tire?

Aside from the obvious 19" ... what is the 'width' of the rim. I don't have one without a tire on it, and don't really want to break it down to measure it (yeah, I'm lazy, no contest).

Thx.
Lew Morris
Dnepr w/ '06 Ural Drive Train
C5 Power Arc
125/42 jets
Drilled slides/
.030" shims

1973 BMW R75/5 (original owner)
1947 HD FL (long gone, forever regretful)

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