This particular triple clamp part is made with the SUB-MOUNT "Stabilizer Under Bars" incorporated into the barclamps and ready for the Scotts Stabilizer to be mounted. You can purchase complete SUB MOUNT kits on our website also if you go to the stabilizer page.
The SUB mount is designed for 1 1/8" oversize handle bars. Std 7/8" bars can be used with or reducer bushings that cam be purchased below.