New upgraded version of united Supreme Rear wheel for 2013. This wheel now features Uniteds Fulled sealed 9t cassette hub with a loud and smooth 4-pawl engagement system and 14mm male axle. The hub is also switchable from RHD to LHD by reversing the ratchet and pawls inside the hub. The Hub is laced into a sturdy, wide profile alloy double wall rim with black stainless spokes ###section### Product Specs WHEEL SIZE: 20\" HUB: United Supreme Cassette AXLE: 14mm Chromoly Male DRIVE SIDE: Left & Right Switchable RIM: Supreme Rim SPOKES: Straight Gauge NIPPLES: Brass WEIGHT: 1270g / 44.8oz