These hubs are made to fit our wheels as well as other popular wheel (like Injora) that have a 6-bolt pattern.
Made to fit 7mm hexes ( scx24, and TRX4m or other 7mm hex rigs)
Sold in sets of 4
8mm hubs will be close to the same offset as stock SCX24 wheels, larger hubs will make it wider, smaller will make it narrower.