The Revolution is here! BSDs latest complete rear freecoaster wheel built around the new lightweight Revolution freecoaster hub and BSD XLT rim, using BSD spokes and rim tape. Includes Jersey Barrier hubguards for added protection.Features-Left side driveItem Specifications-Cassette Body Type:Single Cog Driver-Color:Black/Teal-Defined Color:Teal-Hub/Brake Compatibility:Rim Brake-ISO Diameter:406 / 20" BMX-Rear Axle:14mm Threaded x 110mm-Tire Type:Clincher-Valve:Schrader-Wheel Size:20"