My bit kept falling out of my X-CARVE DeWalt 611 router. The problem was the Reduction Bushing… which appears to have a major design flaw.

Here’s a link to the good Reduction Bushing:
http://www.routerbitworld.com/Amana-RB-102-REDUCTION-BUSHING-1-4-TO-1-8-p/amana%20rb-102.htm

Special thanks to Mike from The Geek Pub for pointing me to this improved product! Check out Mike’s channel:
https://www.youtube.com/user/TheGeekPub/