Speed Jump Rope for Men & Women (Grand Prix Speed Series) | Adjustable PVC Jump Rope for Fitness, Boxing & HIIT Workouts | Professional Skipping Rope | Made in Korea (Black/Red) — Open-Box, 69% Off

Name: Speed Jump Rope for Men & Women (Grand Prix Speed Series) | Adjustable PVC Jump Rope for Fitness, Boxing & HIIT Workouts | Professional Skipping Rope | Made in Korea (Black/Red)
Brand: KSY JUMP ROPE
SKU: awhd-us-b0fwbyxgwg
Price: 6.16 USD
Availability: InStock

Brand: KSY JUMP ROPE

Condition: Used

$6¹⁶

$19⁹⁵

-69% Save $13⁷⁹

Updated: 12 days ago

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Description

CHAMPIONSHIP ENGINEERING — Built by the brand NY Times Wirecutter named "Best Jump Rope of 2025." Grand Prix series takes 20 years of world-record-level design and pushes it further for serious athletes training in boxing, CrossFit, and competitive jump rope. Train with Control and Rhythm: Feel every turn respond instantly. This speed jump rope moves clean and steady, helping you build rhythm, stamina, and timing — whether you train for boxing, CrossFit, or fitness at home. Fits Every Athlete: Adjustable PVC cord adapts easily to your height and workout style. Men and women can both fine-tune the length for perfect swing balance and posture. Build Endurance Without Strain: Lightweight handles and smooth bearings reduce drag, letting you focus on movement, not friction. You’ll train longer, faster, and with less fatigue. Precision You Can Feel: Every rotation stays straight and controlled. The rope cuts through air evenly — no tangles, no bounce — just a clean, repeatable rhythm that builds real coordination and agility. Made in Korea Quality: Crafted by Korea’s leading jump rope maker with over 40 years of engineering experience. Trusted worldwide by professional athletes, boxers, and everyday movers. Built for Power and Consistency: The durable PVC line holds its shape under speed and tension, giving you stability for both quick double unders and slow, controlled drills.

Push your limits with the KSY Grand Prix Speed J-303, the performance jump rope engineered for speed, precision, and endurance.
Developed by KSY (Kim Su Yeol) – Korea’s #1 jump-rope manufacturer trusted by professional athletes – the J-303 delivers smooth, fast, and consistent rotation for serious training results.

Featuring lightweight PP handles and a high-grade PVC cord, the J-303 minimizes drag while maximizing control. Its bearing rotation system eliminates friction, giving athletes the perfect rhythm for double unders, conditioning, and warm-ups.
The adjustable 290 cm length allows a tailored fit for any user, ensuring every rotation feels natural and balanced.

Whether you’re in the boxing gym, CrossFit box, or training on the go, the Grand Prix Speed J-303 helps you build endurance, agility, and explosive speed – all with the proven reliability of Made-in-Korea craftsmanship.

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Product Details

SKU:: awhd-us-b0fwbyxgwg
Model:: J-303-Red
Country:: US
ASIN:: B0FWBYXGWG

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $14 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

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Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.