You don’t have to fight your rope to get better at double unders.
If you’ve ever struggled to hold your grip during long sets or felt your wrists doing overtime to keep up, you’ll appreciate what makes the Surge® 4.0 different.
We listened to athletes — from elite competitors to beginners learning their first doubles — and took all the feedback from the Surge 3.0 to make your go-to speed rope even better.
Key Features:
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More Grip: new silicon-textured sleeve keeps your hands locked in, even during sweaty WODs or long sets.
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Ultra Light Weight: 1oz aluminum handles reduce hand and forearm fatigue on longer sessions.
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More Spin & Stability: upgraded internal shaft sleeve and reinforced connection deliver smoother rotation, a solid feel, and less breakage.
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Increased Durability: reinforced inner post and stainless steel bushing evenly distribute torque to prevent wear and tear.
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Adjustable 10ft Cable: fits athletes up to 6'4" (195 cm) and compatible with cables up to 4mm for total customization.
This isn’t just a rope for speed — it’s your tool for mastery.
Dialing in doubles? Chasing records? Used by world champions, the Surge® 4.0 meets you where you are and pushes you forward.
Technical Specs:
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Handle length: 5" (12.7 cm)
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Handle weight: 1 oz (28 g)
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Material: Aluminum
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System: Dual-bearing for fast, consistent spin
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Cable: Adjustable 10 ft (≈3 m), fits up to 6'4" (195 cm)
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Compatibility: Cables up to 4 mm
Product Video






