Silver – Advanced: Heavy – Replacement Tubing Posted on September 30, 2020 by dynamic1 $19.95 Silver – Replacement tubing Advanced – heavy Resistance 3.9 lbs / tube at 100% elongation Silver - Advanced: Heavy - Replacement Tubing quantity Add to cart Category: Replacement Tubing Description Description Silver – Replacement tubing Advanced – heavy Resistance 3.9 lbs / tube at 100% elongation Related products Black – Advanced: Light – Replacement Tubing $19.95 Add to cart Blue – Intermediate: Heavy – Replacement Tubing $19.95 Add to cart Green – Intermediate: Light – Replacement Tubing $19.95 Add to cart Yellow – Beginner: Light – Replacement Tubing $19.95 Add to cart