Drive gears for Exway Riot belt drive system are made of high strength nylon and fiber glass to provide the best balance between power transfer efficiency, durability and lightness in weight. The 10 hole configuration is compatible with non Exway branded wheels which have a 10 hole configuration at their core. In this case perhaps a well known wheel company whose name is that of an orange ape.
Each drive gear set comes with 2 drive gears and the necessary bearings for the gears installed in the gear.
Be sure to set your wheel size in the exway app after you've changed out your wheels in order to ensure speed and distance accuracy on all exway readouts.