Description : Are there any safe add-on weights to add 2.5 to 5 pounds to a given hex dumbbell?
Last Answer : I wouldn't trust any add-ons. I have the Bowflex SelectTech, but they're expensive. That difference in weight is negligible. It's not how much you lift, it's how you lift it. Practice good form, flex the hell ... . Then tell me you don't feel it. If you didn't, you're not doing it right. Good luck.