Alienation OS20 BMX Rim-Black fsa with bearing race and carrier

with bearing race and carrier combined

4mm Top Stack Height 9mm Top Bearing Type Black Oxide

LENGTH: 135mm/5

Sidewall: N/A

Alienation OS20 BMX Rim-Black fsa with bearing race and carrierPRODUCT DETAILS The Alienation OS20 BMX Rim Black rolls faster and smoother than a standard 20" rim. OS2O is NOT 22. OS2O is 20, but bigger. There are two wheel sizes in the 20 category the 20 on Jr mini bikes which uses the 451mm diameter wheel in narrow widths (for 20 1 8 & 20 3 8 tires), and the conventional 20 which uses the smaller 4O6mm diameter wheel but in wider widths (for 20x1. 5" & 20x1. 75" tires). OS2O is 451mm wheel diameter in similar