GPM Racing - General Hop-Up Parts - Tires and Wheels - AW1906SCYSBK Aluminium 6 Poles Simulation In Silver Edge With 1.9'' Crawler Tire & Hex Tool (Inner Silver & Outer Black Screws)1pr set
1.This number of GPM gleaming tires were made for 4mm wheel shaft and 12mm hex, multiply within typical cars with 1.9 ins tires.
2. this product is strong and elastic that'll not an easy task to collapse.