XM ADJUSTABLE WEIGHT / SPEED SLED Magnetic Resistance PATENT PENDING

PATENT PENDING

4 lbs) is the optimum mass for a perfect workout when used by adults and teenagers

you should never use them as a resistance tube or bungee

Will not damage weight stack or machine

color: #2e2e2e

XM ADJUSTABLE WEIGHT / SPEED SLED Magnetic Resistance PATENT PENDINGOur portable and versatile speed training sled is perfect for building explosive speed and leg drive! Strengthen your lower body with the adjustable speed sled and replace the old bulky metal sled. Includes: 6 x heavy duty sandbag shells. (use sand or crumb rubber) Adjustable waist harness with Velcro and 3 belt loops. With a 70 strap included. 27. 5 Sled Length