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My one dollar Ross EuroTour Bike - tell me about the Black Box

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My one dollar Ross EuroTour Bike - tell me about the Black Box

Old 05-05-12, 06:58 AM
  #1  
nhawlman
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My one dollar Ross EuroTour Bike - tell me about the Black Box

Mechanics forum sent me here.

Is this a collectors item or a junker?
If I appear stupid- I confess; I'm not a biker, I'm a Beekeeper.
https://www.solitary-beekeeper.com/
RossEuroTourRx-S7215.jpg


I bought this bike at auction just for the front wheel.
But the tires held air and it rides decent, so I may polish it up.

My question:
The right hand grip has numbers "1, 2, 3"
It has 2 cables going to the black box, which I assume is a transmission of sorts.
But I'm unable to rotate the grip to change numbers.
What might be wrong?

What's inside the Box?
Does it contain lubricant?
Are there adjustments in it?

Thanks a bunch,
Nevin

Last edited by nhawlman; 05-05-12 at 07:04 AM. Reason: typo
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Old 05-05-12, 07:11 AM
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Link didn't work for me
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Old 05-05-12, 07:17 AM
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Hello Welcome to the forums. Your link is not working but you Bee site looks interesting. It sould like you have some sort of three speed bike the black box is intriguing.
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Old 05-05-12, 05:09 PM
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The link worked for me,,like 6 hours ago Bianchi Girl. I'd call it some kind of crankset reducing gear(s). Maybe Ross thought the flat handlebar bike buyer were more into a weird gear changer? Your cable housings look a little loose too. Having them anchored to the frame correctly makes, shifting & braking work better. But for a buck, you did all right.Chris
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Old 05-05-12, 05:21 PM
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I haven't gotten the link to work I get a 404 error from doteasy.com, it has happened a couple of times today.

I would be interested in seeing pictures of the bike. Ross made some decent bikes and some not so nice ones.

Aaron
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Old 05-05-12, 05:31 PM
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Mee too. Bad link.

Top
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Old 05-05-12, 06:20 PM
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Here's the link from mechanics.

https://www.bikeforums.net/showthread...-the-Black-Box

https://www.solitary-beekeeper.com/Ro...urRx-S7215.jpg

Last edited by dedhed; 05-05-12 at 06:24 PM.
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Old 05-05-12, 06:46 PM
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It appears to be a Dana Corp. bicycle transmission. It installed in the bottom bracket and gave three gear ratios.
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Old 05-05-12, 06:49 PM
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That is the flight data recorder. Don't mess with it. Only the forensics people should be fooling with it.
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Old 05-05-12, 06:52 PM
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Originally Posted by FlatTop View Post
It appears to be a Dana Corp. bicycle transmission. It installed in the bottom bracket and gave three gear ratios.
Looks like the way to go is pull it off and sell it
https://www.ebay.com/itm/ws/eBayISAPI...sid=p2992.m753
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Old 05-05-12, 08:24 PM
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Yikes - The link is cut in half ! . . .ad the botom half to the top half

Originally Posted by nhawlman View Post
Mechanics forum sent me here.

Is this a collectors item or a junker?
If I appear stupid- I confess; I'm not a biker, I'm a Beekeeper.
https://www.solitary-beekeeper.com/
RossEuroTourRx-S7215.jpg


I bought this bike at auction just for the front wheel.
But the tires held air and it rides decent, so I may polish it up.

My question:
The right hand grip has numbers "1, 2, 3"
It has 2 cables going to the black box, which I assume is a transmission of sorts.
But I'm unable to rotate the grip to change numbers.
What might be wrong?

What's inside the Box?
Does it contain lubricant?
Are there adjustments in it?

Thanks a bunch,
Nevin
(Try appending the File name to the site URL)
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Old 05-05-12, 08:36 PM
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It's a Dana three speed transmission. The Dana unit was meant to convert a coaster brake bike to a three speed - it shouldn't be paired with a freewheel/rear derailleur. The chain is far too short for that to work properly.



Depending on your local market the Ross itself is worth between $25 and $75. If you have a really hot market you could ask more but it might take a while to get a buyer.
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Old 05-07-12, 03:44 AM
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Page 2
are you saying this bike is not original,
that either the Dana or the derailleur was added to the bike?

Thanks
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Old 05-07-12, 06:34 AM
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The Dana was an aftermarket add on. The bike says Eurotour V - so it's safe to assume that the 5 speed freewheel and derailleur have always been on the bike. Originally it would have had a conventional crank and chain wheel.
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Old 05-07-12, 07:11 AM
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I agree it's a Dana missing the decals and it most likely has been painted, these things are really heavy so you could lose a few pounds by removing it. If it works I would try it out, though it may not work with a derailleur set up. If the freewheel is a 5spd you may be able to get it all to work using a long single speed chain set up as the early 5spds shifted fine with them, then it would be like a triple up front I imagine.

Glenn
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Old 05-08-12, 05:38 PM
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I'm getting smarter with each post I read - - - I Think !!?

Originally Posted by Mos6502 View Post
The Dana was an aftermarket add on. The bike says Eurotour V - so it's safe to assume that the 5 speed freewheel and derailleur have always been on the bike. Originally it would have had a conventional crank and chain wheel.
=========================
So I have a 5-speed Ross EuroTour,
made in Allentown PA
before some of us were born,
with a 3-x Dana thingy,
which should give me 15 speeds,
if I could work the Dana?

Reply slowly

Nevin
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Old 05-08-12, 11:02 PM
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Originally Posted by nhawlman View Post
=========================
Reply slowly

Nevin
===========================
My guess: The Dana gearbox was a hopeful addition made by the last owner. It may never had been rideable after installation. The chances are that it would throw the chain off at the front if using narrow chain or bind/shift clumsily at the rear derailleur if using wider 1/8" chain.

If I owned that bike, the very unusual Dana transmission would intrigue me to the point that I'd find a way to make it work. The first step I'd take is spraying WD-40 into the shift cables and grip shifter. I'd expect it to act as a mild solvent, not as a lubricant. Then I'd try to work either end of the cable without forcing anything, hoping to free up the controls.
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Old 05-09-12, 01:13 AM
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Yeah the two problems here are that the Dana was designed for 1/8" chain which is used by single speed bicycles, but the Ross is almost certainly fitted with a narrower chain because it has a derailleur. The other problem is the chain looks too short for this set up.

It is possible that it may be workable though. Have you tried riding it? Putting the derailleur in higher gear (smaller cogs) would put some more slack on the chain and it may be workable.
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Old 05-09-12, 04:50 PM
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I have fiddled a little:

Originally Posted by Mos6502 View Post
Yeah the two problems here are that the Dana was designed for 1/8" chain which is used by single speed bicycles, but the Ross is almost certainly fitted with a narrower chain because it has a derailleur. The other problem is the chain looks too short for this set up.

It is possible that it may be workable though. Have you tried riding it? Putting the derailleur in higher gear (smaller cogs) would put some more slack on the chain and it may be workable.
I removed the two cables from the Dana box.
The cables move very freely.
I sprayed the exposed nylon Cam? liberally with Liquid Wrench.
This nylon part is so tight that I can't turn it.

I put the derailleur in low to ride around my lawn.
The ride was not bad, but the seat has much to be desired, as do the brakes.
My Pointer dog is still laughing

Next rainy day, I put on my hat with the three gears logo, and play Dana mechanic.
Keep tuned for photos.

Nevin
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Old 05-10-12, 07:18 AM
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The Dana transmission in the pic I posted also doesn't want to shift either, although every thing else seems to work, I haven't messed with it yet as I don't know what to do with it when/if I fix it, my boat already has an anchor

Glenn
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Old 05-22-12, 07:53 AM
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Originally Posted by Roll-Monroe-Co View Post
That is the flight data recorder. Don't mess with it. Only the forensics people should be fooling with it.
WOW !!
1940 posts.
You're pretty funny !
I'd like to read your book.
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Old 05-22-12, 01:22 PM
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They are greased inside (hopefully some were apparently shipped without grease) you can take the cover off and apply new grease to the gears and it will probably shift better.
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Old 05-22-12, 01:31 PM
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Is this the same "Dana" that makes differentials for rear ends on muscle cars??

Chombi
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Old 05-23-12, 09:39 PM
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Originally Posted by Mos6502 View Post
It's a Dana three speed transmission. The Dana unit was meant to convert a coaster brake bike to a three speed - it shouldn't be paired with a freewheel/rear derailleur. The chain is far too short for that to work properly.



Depending on your local market the Ross itself is worth between $25 and $75. If you have a really hot market you could ask more but it might take a while to get a buyer.
https://harrisburg.craigslist.org/bik/3010395769.html

**********?? !!!!!!!!
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Old 05-24-12, 01:21 AM
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Originally Posted by Chombi View Post
Is this the same "Dana" that makes differentials for rear ends on muscle cars??

Chombi
It is indeed.

And I see this thread now has a perplexing punchline.
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