Why Do Other Jump Ropes Make You Trip? Bad Physics.
Most brands brag about ball bearings. Here's what they don't tell you: bearings spin faster than your body moves, disrupting your natural rhythm and causing trip-ups. We spent 2 years engineering them OUT. The Bearing-Free Flow Design:
✓ Dual-Core Cable Architecture — 5mm flexible PVC wr
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Il dispositivo che permette di bloccare la corda si è rotto dopo il primo utilizzo, il manico è veramente troppo fragile