Side Bar MyChron Gauge Mount Water Pump Aluminum hubs are tried and

Aluminum hubs are tried and true - you can't go wrong with a standard Aluminum hub

Each bolt kit is sold as a kit of (4) bolts and spacers

Each collar is notched for clearance over axle keyways

for cadet shifter karts or rental or concession kart applications

Side Bar MyChron Gauge Mount Water Pump Aluminum hubs are tried andSide Bar Gauge Mount for MyChron or data logger on racing go karts or racing vehicles. Ideal for mounting MyChron 3, 4, or 5 to smaller frame tubes to the side of the kart chassis, usually on oval racing karts. Each side bar mount comes as a unit including the extended mount piece, opposing clamp, and (2) allen screws (3 16" allen key). The inner diameter of the mounting clamp area is 3 4", which means this clamp is ideal for 3 4" or equivalent frame