Primo Bike company 'Mix Cassette' Custom BMX Aftermarket Rear Hub
 
Fully Sealed Bearings, Runs really smooth.
 
9 Tooth, 4 Pawl Driver system (like Profile Racing) Sounds great
 
Fully Serviced, looks great and runs perfectly! 
 
Iconic Primo Mix V1 Cassette, super desireable for the reliablilty and durability.