What are the largest tires you've run on open pros?

[Hilltopperny]

I run open pros on a few of my bikes. I have a nice concours that I have been running 25c 4 seasons on but have some 28 and 32c gatorskins that I am gonna throw on for mixed gravel, dirt and pavement. Have any of you run 32c on open pros?

[cinema]

i've run like 37c. you can run wide tires on those rims. why not.

[vav]

Same here. 700 x 37 Paselas with no issues.

[DfCas]

2.1 inch nth tires.

[Hilltopperny]

Awesome as I want to run 32c. So the only thing that really limits the tire is the frame and fork clearance. What bikes are you running those wide tires on?

[eBAUMANN]

i had 42c road slicks on open pros for awhile, they were fun.

[christian]

35 Paselas, I think.

[zmudshark]

I have 35c Conti Cross tires on OPs

[moose8]

Weren't open pros a popular early 29er rim?

[kramnnim]

I used 29er tires on rims of Open Pro width...

[Curve_in]

I run open pros on a few of my bikes. I have a nice concours that I have been running 25c 4 seasons on but have some 28 and 32c gatorskins that I am gonna throw on for mixed gravel, dirt and pavement. Have any of you run 32c on open pros?
I'm currently using 32's.

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[oldpotatoe]

I run open pros on a few of my bikes. I have a nice concours that I have been running 25c 4 seasons on but have some 28 and 32c gatorskins that I am gonna throw on for mixed gravel, dirt and pavement. Have any of you run 32c on open pros?

I have installed 32/34 on open pros for 'age group' crossers..no sweat.

[Plum Hill]

700x35 Ritchey Trail Mix.
No problem.

[nalax]

My first 29er had open pro's and 2.1 inch tires, never a problem. Currently run 38mm gravel grinders on a similar width rim. Frame and brake fit is another matter.

[alexstar]

I've run 33mm cross tires on my Open Pros and seen much wider tires in use with no issues.

[Auk]

I've ran the big boy 50c Schwalbe Big Apples along with 2.2 mtn tires before. Psi's ranging from 45 down to mid-20's. No issues.

[nelson]

Open Pro's are a C15 rim. ETRTO standards for C15 are 23-32 mm tires. Of course, tire manufacturers don't always follow the standards.