The Chris King InSet 4 is designed for 49mm headtubes and 1-1/8steerer tubes commonly found on dual crown forks used on downhill and freeride bikes. This 49mm headset is built to take big hits with out any effect on headset function.

• The Chris King InSet 4 is designed for 49mm headtubes and 1-1/8steerer tubes commonly found on dual crown forks used on downhill and freeride bikes. This 49mm headset is built to take big hits with out any effect on headset function.
• InSet 4 has 49mm upper internal cup, 49mm lower internal cup with 1 1/8″ base plate
• Engineered, manufactured and assembled in Portland, Oregon USA
• Designed specifically for a 49mm straight headtube and a 1-1/8 straight steerer tube