Merrithew Max Plus Spring - Power Up [3x125%, 1x100%, 1x50%] body weight View the SkiErg Assembly video

View the SkiErg Assembly video

which can better resolve the impact force received by the knees when walking

This provides additional multi-level applications and exercise programs that mimic the feel and intensity of road cycling

This is a 3

Merrithew Max Plus Spring - Power Up [3x125%, 1x100%, 1x50%] body weight View the SkiErg Assembly videoNote: Special Order Item. Please allow 2 3 weeks for item to arrive. A complete package to keep all of your Max Plus Reformer and Vertical Frame springs in tip top shape. Bigger, better, faster and stronger, Merrithew springs provide enhanced fluidity of movement, allowing for maximum extension of the Reformer carriage with smoother and more balanced movement across all length extensions. Designed to meet the demanding needs for cardio work with