Metal rod bearing . Our ropes are the best solution to improve your speed, precision& consistency for single-double under Speed Rope has a lightweight handle manufactured with multiple ball bearings to provide a fast and smooth spin. Don’t use them on concrete or asphalt surfaces, and run the risk of cracking or fraying if used on coarse surfaces Turn screw adjustability.

here the starks will point special terms related to the delivery. including: shiopping is per weight normally, Heavy items should will change the shipping cost,