Trail tires on and XMR 1000

Hey there guys I’m new to the Can-Am world I’m purchasing and XMR 1000 on Monday morning I am going to buy some trail tires for trail riding I need to know your guyses opinion what do I need to do to not to lose any speed I would like to stay the same just go to a trail Tire I was thinking of a 30-inch Bighorn let me know your opinion thanks

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