Turn any door into a home gym with the WorldFit Crazy-8 Pull-Up Trainer. Build upper body strength anywhere with this portable, U.S.-made fitness tool.

This WorldFit Crazy-8 Pull-Up Grip Trainer is a universal mini gym in a bag. The WorldFit Crazy-8 Pull-Up Grip Trainer transforms any standard door into a full upper-body training station—no tools, no hassle. Designed for athletes, fitness lovers, and anyone looking to build strength at home or on the go, this compact powerhouse offers unmatched versatility.
 
All-in-One Upper Body Workout
Perfect for pull-ups, chin-ups, push-ups, crunches, and more. Build total upper-body strength using your own body weight and multiple grip positions.
Portable & Travel-Friendly
Weighing less than a few pounds, the Crazy-8 is your go-anywhere portable pull-up trainer. Use it at home, in the office, or on the road—no excuses needed.
Easy Over-the-Door Setup
No tools or hardware required. Simply place the straps over the top of any sturdy door, close the door securely, and you’re ready to train.
Built to Last – Made in the USA
Proudly manufactured in the USA using U.S. military-grade webbing and a blend of U.S. and foreign components for long-lasting durability.
Bonus Storage Bag Included
Each Crazy-8 comes with a FREE WorldFit drawstring bag for easy storage and transport.