Reflex Racing Aluminum Tire Gauge Set (3pcs) - 21.0mm to 25.5mm

Set of 3 tire gauges to make your tire measuring experience much easier.

To Use:

1.Select the appropriate gauge by measuring against the tire.

2.Once selected, push the open side of the gauge onto the tire.  Once you feel slight resistance and the center of the wheel is aligned with the resistance point, this is the measurement for your tire diameter.