Because 26 Inch Rims have a narrower sidewall, they maintain a higher level of stiffness off-road. As a result, drivers of some vehicles may notice a minor improvement in cornering handling due to the added stiffness. The bigger is better for alloy rims for your SUV or car, 26-inch Alloy Rims. Plus-sizing occurs when drivers replace their original equipment wheels with slightly thicker wheels with a narrower sidewall. However, the speedometer and other car hardware keep functioning because plus-sizing does not affect the 26 Inch Rims external diameter.