Upgrade Tire Size

[dwirtz]

I want to upgrade the tire size on my Trek.  I have 29″ with 2.20.  What is the biggest I can go without change the fork.  2.40?

[Jeff Barber]

Chances are your fork has plenty of clearance for 2.4 and maybe even bigger. Most do.

Which Trek are you riding? If you can post a photo of the rear clearance we might be able to get a better idea.

[dwirtz]

I have a Trek Mamba.  I looked at taking a picture of the rear tire and it is already tight on the lower fork already.  Not sure if anything bigger will fit on the rear.  I am going to order a 2.40 for the front  Any thoughts on a brand?

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