The black track insert on your HQ Precision-Glide track system takes a lot of abuse. Sometimes, regular use will cause dips or nicks. When this normal wear and tear starts to cause stitching problems, it's time to replace the track inserts. If your frame has a track system with an aluminum track support and a black track insert, you'll be able to use this item.
This is a replacement black track insert for HQ Precision-Glide aluminum track support. Track Insert are sold as sets of TWO (2). You will need to purchase TWO of this item to replace all tracks on an HQ frame with the Precision Glide Track system.