Features： Wide Adjustable Resistance – Equipped with a one-button adjustment system, resistance can be easily set between 10–200kg (22–440lbs), ideal for beginners and advanced fitness levels. Hydraulic Safety System – Features a fully sealed hydraulic cylinder for smooth and controlled resistance, offering more safety and durability compared to traditional spring twisters. Golden Ratio Triangle Design – Reinforced with 10 rivets and double carbon steel frame, ensuring high load capacity, structural stability, and long service life. .
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