Reflex Racing Aluminum Tire Gauge Set (3pcs) - 21.0mm to 25.5mm YX MD500E now including a governor function

now including a governor function for electric and gaser/nitro

compass and a barometer

Shock Oil 700cs/45WT

3mm Hex Screwdriver Tip

Gold plated PCB with Pb-Free soldering

Reflex Racing Aluminum Tire Gauge Set (3pcs) - 21.0mm to 25.5mm YX MD500E now including a governor functionSet 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.