Max tire on a Rambouillet?

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Me

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Sep 22, 2012, 5:12:40 PM9/22/12
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Hi,
Anyone know how big a tire will fit a 58 Rambouillet? I would like to put a nice comfy cross tire on for mixed surface loops.
Thanks,
Tim

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Steve Palincsar

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Sep 22, 2012, 5:21:05 PM9/22/12
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On Sat, 2012-09-22 at 15:12 -0600, Me wrote:
> Hi,
> Anyone know how big a tire will fit a 58 Rambouillet? I would like to put a nice comfy cross tire on for mixed surface loops.

With or without fenders?



Steve Palincsar

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Sep 22, 2012, 5:22:21 PM9/22/12
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On Sat, 2012-09-22 at 15:12 -0600, Me wrote:
> Hi,
> Anyone know how big a tire will fit a 58 Rambouillet? I would like to put a nice comfy cross tire on for mixed surface loops.

http://www.cyclofiend.com/rbw/geometry.html#rambouillet



Bruce Herbitter

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Sep 22, 2012, 6:03:58 PM9/22/12
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It takes a 38mm tire without fenders or a 35 mm tire with. That per the original Ram ad pages. I printed them out when I bought my bike.

Jim's chart also shows the max tire size for the 26" Rams as 1.3". I can tell you that mine rides great with Pasela 1.5" tires all day, every day.




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Steve Palincsar

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Sep 22, 2012, 6:20:30 PM9/22/12
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On Sat, 2012-09-22 at 17:03 -0500, Bruce Herbitter wrote:
> It takes a 38mm tire without fenders or a 35 mm tire with. That per
> the original Ram ad pages. I printed them out when I bought my bike.

I think 35mm with fenders is more than a little optimistic. Mine was a
60 cm. I found I could barely get a 28mm tire past the brakes, and when
I did there was little space between the tire and the fender.



David Spranger

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Sep 22, 2012, 6:59:05 PM9/22/12
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I ride 35mm tires with fenders on my Rambouillet. No issues.

David
Charlotte, NC

Dan McNamara

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Sep 22, 2012, 7:05:56 PM9/22/12
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I have no problem with 35mm tires & fenders on my 58cm Ram although I ditched the original Shimano brakes for the Tektro big mouths.

Dan

Marin

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Michael_S

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Sep 22, 2012, 7:28:26 PM9/22/12
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I think there was some variation that occurred in the manufacture  of each bike. My green 58cm frame would fit a Jack Brown in the front but with only 3-4mm of clearance to the Tektro brakes. The back would easily fit a 38mm tire.  I sold it because I wanted to fit bigger tires.

~mike
Carlsbad Ca.

Jay LePree

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Sep 23, 2012, 7:24:36 AM9/23/12
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Tim:

It may not be the size of the frame but the year as there were some variation in frames.  I purchased the last orange/cream 54 cm Rambouillet that was available at Riv (end of 2003?).  I am using the extra long Silver Bigmouths (I think that is what they were called) and have 28 mm Bontrager Racelite hardcases with 40 mm steel fenders.  There is definitely room for a 32 as my finger easily fits between the fender and the tire.  
Jay
Demarest, NJ

Michael Hechmer

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Sep 23, 2012, 8:27:40 AM9/23/12
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Is this a true 35 mm?  And which fenders?  I have two Pasella's labeled 35mm on my Trek, but they actually only measure 30 MM!  These would just barely fit on my Ram, fitted with Honjo fenders.  How you mount the fenders also affects the answer.  My traditional method yields about 30 mm, but more creative answers, previously described on this list, can yield more.  Also, metal fenders have a rolled lip and more complicated mounting than plastic fenders and so will give less clearance than plastic.  OTOH the metal fenders will generally hold their shape and position better, so tighter tolerances can be used with less fear of mis-alingnment and rubbing.

The Ram was designed to optimize around 28mm tires.  I ride 29mm Grand Bois and love them and the bike.  Of course you can push the envelope if you want.  But if you want to ride 35 mm tires all the time it would be better to get a frame that was designed to excel with that tire.

Michael

David Spranger

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Sep 23, 2012, 10:48:44 AM9/23/12
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I was using 35mm Scwalbe Delta Cruisers which measure just a smidgen under 34mm on VO PBP rims. Recently switched to 35mm Scwalbe Kojak which measure ~33mm on the same rims. Both sets mounted underneath VO 45mm Hammered fenders. I don't think I could be convinced that somehow my ride is being compromised by using this size tire. When I bought the bike, the previous owner had 28mm Paselas on it. I could not love those tires. The ride seemed harsh. I loved the Delta Cruisers and the Kojaks are even better!

David
Charlotte, NC


On Sunday, September 23, 2012 8:27:40 AM UTC-4, Michael Hechmer wrote:
Is this a true 35 mm?  And which fenders?  
Michael




reynoldslugs

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Sep 24, 2012, 2:14:57 PM9/24/12
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I am not sure the Max Tire for a Rambouillet, but here is Max's tire
on a Rambouillet (with Tektro Big Mouth Brakes):

http://www.flickr.com/photos/41563482@N06/6274349032/in/set-72157627837620505

It's a Schwalbe Kojak, measures out about 32mm. Riding the
Rambouillet on Kojaks is one of the greatest pleasures known.

Max Beach
Sonoma County CA

reynoldslugs

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Sep 24, 2012, 2:16:45 PM9/24/12
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Tim Whalen

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Sep 25, 2012, 1:17:03 PM9/25/12
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Thanks!  Looks comfy.

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