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
556.5mm
531.1mm
Circumference
1748.3mm
1668.5mm
Poke
63.9mm
48.9mm
Inset
113.9mm
128.9mm
Speedo error
0%
4.78%
Reading at 30mph
30mph
31.43mph
Reading at 60mph
60mph
62.87mph
Ride height gain
0mm
-12.7mm
Arch gap loss
0mm
-12.7mm

Compared to your existing wheel, this new wheel will have an inner rim which is 15mm closer to the suspension strut. The outer rim will poke out 15mm less 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

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