Originally Posted by
no1mad
Welcome to the Forums

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Your rims should be able to accommodate wider width with no problem, but it's gonna be the frame/fork clearances that will dictate how wide you can
+1
I would take it to your LBS and ask them. I'm a big guy also and I really love

Schwalbe Big Apple tires. I have them on five bikes and on a tandem as well. 2" and wider are really nice if your bike will take it.