Box Two Side Number Plate drivetrain It’s fully compatible with wide/narrow

It’s fully compatible with wide/narrow chainrings and features hardened solid pins for long-lasting strength

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

A nickel-plated finish

Made of 7075-T6 aluminum

Box Two Side Number Plate drivetrain It’s fully compatible with wide/narrowInitially 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