CineMilled 6.5" Pro Ring Tubes, Pair

The PRO-Ring Tube is available in 6.5", 12", 14", 16", 18" and 30" sizes. Build your "PRO Ring" any way you want it! Square, rectangle. All tubes come with laser engraved in both metric and standard markings to use as reference. The short 4" tube is commonly used when using the "half" system as a typical handlebar.