Professional tool designed for quick and accurate measurement of the width of the rear end of a kart.
 It simply mounts directly onto the 50mm diameter axle and allows riders and mechanics to precisely adjust the width of the rear axle to suit track conditions and chassis settings.
 
✅ Features:
 Compatible with 50mm diameter axles and 1030 long, if the axle is shortened, the tool will still work.
 Clearly marked measurements (engraved on the tool body) 139.0cm to 139.8cm
 Light and solid construction - high quality 
 Quick and easy to use – without additional tools
 Resistant to shocks and boxing conditions
 
📦 Purpose:
 Quick check and adjustment of the rear end width
 Ideal for racing, training and karting preparation
 Suitable for mechanics, teams and individual drivers