DRS Semi Pro Rear WheelBearings are everywhere, pieces are chewed out and your cranks keep locking up. Parts are going to cost you, and the labour isnt worth it. Stop trying to get that old back wheel running, with the DRS Semi Pro rear wheel you can upgrade to a trustworthy sealed bearing hub, already laced up to a single wall rim. As simple as bolting on and going! Available with a 14mm axle, or even a skinny 10mm axle option if your bike requires it. SPECS Rear wheel 20"