Alienation OS20 BMX Rim-Black race-pants 5" at J&R Bicycles are

5" at J&R Bicycles are constructed of premium 6065 aluminum alloy which is also referred to as T-6 Aircraft Aluminum

Onyx’s signature engagement system means you get instant power with no friction or resistance

All-new steerer tube design improves fatigue strength and includes a built-in

Durable ABS outer shell with 11 vents

Box One X2 Pro Carbon 1 1/8" cro-mo steerer 20" X 20mm fork

Alienation OS20 BMX Rim-Black race-pants 5" at J&R Bicycles arePRODUCT 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