F2 Dumbbell to Barbell Kit – Converts ANY Dumbbells Into a Barbell

Convert Your Dumbbells Into a Barbell

Transform Your Dumbbells Into a Barbell

No Separate Barbell Needed!
Already have an F2 Bar and ChainBeast? Then you pretty much have everything you need to get started! All you need is the F2 D2B – Clamp Thread Kit. One of the biggest advantages to the D2B configuration is that there’s very little additional investment required if you’re already using the F2 Training System.

Don’t have an F2 Bar?
Unlock the full potential of your adjustable or traditional dumbbells with the Universal D2B – Collar Kit —a modular solution that transforms your dumbbells into a fully functional barbell in seconds. Whether you’re targeting rows, curls, presses, or squats, this attachment adds serious versatility to your training routine without taking up more space.

Key Features:

Compatible with Most Dumbbells
Fits dumbbells with any handle length and up to 1.5″ handle diameter (curved or straight).

Secure, Stable, and Strong
Engineered for strength and stability, this dumbbell bar attachment supports up to 300lbs. total weight. Dual locking mechanisms keep dumbbells from shifting during workouts, ensuring safe and stable lifting—whether you’re a beginner or advanced lifter.

Customizable
Works with all dumbbell having a diameter up to 1.5 inches. Designed to fit 1” Standard bars, 1.25″ Bars and 2″ Olympic bars. Whether you’re using straight or contoured handles, the D2B Kit ensures a snug and stable fit.

Ergonomic Design for Real Gains
Choose from straight or EZ curl bar configurations for comfort and joint relief. The ergonomic design reduces wrist strain, enhances grip control, and helps build functional core strength through natural rotational movement.

Compact and Portable

Say goodbye to clutter. The F2 Bar Dumbbell Attachment is lightweight, compact, and easy to store—no bulky weight plates or racks required. Ideal for apartment setups, garage gyms, or anyone who values space efficiency.