Lock Ring Material: Heat Treated Steel

The Red “Light” tune is optimized to float kids

Ultegra 6800

Vibration-damping material with a snug fit to prevent rattling (trimmed to fit in smaller diameter bars)

Trail and XC riders

Park AP-1 Adhesive Primer - 10ml Pen Back in Stock Lock Ring Material: Heat TreatedMaximises the Effects of Park Tool's Thread Lockers and Retaining Compounds Park Tool recommends the use of the AP 1 adhesive primer to prep the surface of anything you intend to apply thread locking or retaining compounds to. Prepping the surface will maximise the effectiveness of these products and greatly reduce their curing times. Important Note: Any components or fasteners that will come into contact with carbon surfaces such as press fit bottom