Will They Fit

The Wheel Fitment, Tyre Stretch, Rolling Radius and Speedometer Error Calculator

Insert your existing wheel and tyre specs, and the desired size, and the outcome is shown on the diagram.

Your existing setup

Existing Tyre
Existing Wheel

Your new setup

New Tyre
New Wheel
Your Results

Existing

New

Diameter
653.2mm
649.7mm
Circumference
2052.1mm
2041.1mm
Poke
68mm
107mm
Inset
148mm
147mm
Speedo error
0%
0.54%
Reading at 30mph
30mph
30.16mph
Reading at 60mph
60mph
60.32mph
Ride height gain
0mm
-1.75mm
Arch gap loss
0mm
-1.75mm

Compared to your existing wheel, this new wheel will have an inner rim which is 0.9mm further away from the suspension strut. The outer rim will poke out 39.1mm more than before.

Wheel Fitment Guide

The strut shown in the diagram is for show only. Don't worry if the wheel looks like it fouls!

Bear in mind most tyre manufacturers vary slighty from the specs, and that it could be dangerous to run tyres on wheels they aren't designed to fit.

Part of the Family
Suitable wheels from Driftworks
18" WheelsWheels with a 10" width