MRR Wheels and tires from Wheelfire.com. Check out MRR custom wheels. MRR rims manufactures a range of custom staggered wheel applications for your car, truck and SUV. MRR Alloy Wheels offers many different sizes including 18, 19, 20, and 22 inch wheels in multiple finishes. MRR rims are luxury alloy wheels available from wheelfire.com at discount prices.