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 Colour: Black