1 pieces 5x68x 80 150 mm big compression coil spring wire diameter 5mm outer diameter 68mm length 80 150 mm both ends are
Описание:
The latex tube Power Expander is designed to give your main muscle groups an effective work out, develop strength and endurance, increase flexibility, and improve technique. The power harness is made using a rubber that stretches evenly, which allows you to achieve the perfect biomechanics. Ideal for warming up and training technical skills for swimmers, volleyball players, boxers, skiers and many other athletes. Indispensable for Crossfit. The expander is compact, making it convenient to train anywhere, any time.The expander is available in two sizes – length 5 m and 10 m.Choose an expander according to your desired level of difficulty and load. It is recommended to start strength training workouts with a weaker resistance and gradually increase it as your strength develops. Green – difficulty level: easy. Resistance: 10 kg. Outer Diameter/Inner Diameter: 12mm/7mm. Red – difficulty level: medium. Resistance: 15kg. Outer Diameter/Inner Diameter: 12mm/6mm. Blue – difficulty level: hard. Resistance: 30kg. Outer Diameter/Inner Diameter: 15mm/6mm.