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
631.9mm
619.8mm
Circumference
1985.2mm
1947.2mm
Poke
42.6mm
100.7mm
Inset
122.6mm
140.7mm
Speedo error
0%
1.95%
Reading at 30mph
30mph
30.59mph
Reading at 60mph
60mph
61.17mph
Ride height gain
0mm
-6.05mm
Arch gap loss
0mm
-6.05mm

Compared to your existing wheel, this new wheel will have an inner rim which is 18.1mm closer to the suspension strut. The outer rim will poke out 58.1mm 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