Box Two Side Number Plate drivetrain Box Two™ Square Taper Chromoly

Box Two™ Square Taper Chromoly Bottom Brackets are the best option for young BMX racers and other users of three-piece cranks in search of an affordable

aluminum CNC machined cups

Box Two Center Clamp 1 Inch Stems have a single-bolt wedge clamp

The Box Three Rear Derailleur simplifies the features found on the Prime 9 Box One and Two rear derailleurs making for a fully featured wallet friendly rear derailleur

Box Two Side Number Plate drivetrain Box Two™ Square Taper ChromolyInitially designed for the European markets UCI races, these are also a requirement for USABMX Nationals. The Box Two Side Number Plates are shaped from embossed foam and feature full color printed graphics. They comply with UCI regulations and fit all bicycle frames. Hook and loop straps combined with a piece of adhesive backed hook and loop tape hold the plates firmly in place. They have a black with a white background (colored backgrounds are