Zontoo LED Gyro Ball with wrist strap, blue LED lit

Zontoo Gyro Forearm Challenge

Single
$49.00
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Zontoo LED Gyro Ball with wrist strap, blue LED lit

Zontoo Gyro Forearm Challenge

$49.00
Pack

Free US shipping · Estimated delivery: 2–4 weeks · Tracked

Pay with PayPal, or with a debit or credit card through PayPal's guest checkout.

Damaged, faulty or wrong size: one photo within 30 days, no return shipping. Changed your mind: 30 days, unused, return at your cost. Full policy

Payment methods
  • PayPal

Why order from Zontoo

  • 1-year breakage coverBreaks in normal use within a year: free replacement.
  • 30-day price promisePrice drops within 30 days of your order: we refund the difference.
  • No customs feesNothing to pay at delivery. Duties are on us.
  • A person answerssupport@zontoo.com · 24–48 h, Mon–Fri.
Read the full guarantee

What stage can you hold? Push it on, circle your wrist, and watch the light climb through five stages as the rotor speeds up. The faster it spins, the harder it pulls. The light keeps score.

What you get

  • Self-starting gyro ball with a metal rotor core
  • Five-stage LED: the color changes as speed climbs (maker rating: about 2,000 to 10,000 RPM)
  • Wrist strap and storage box
  • Free 30-Day Forearm Challenge: printable plan and log sheet (open it here). The download link also comes with your order confirmation email

Why lifters use it

If your grip gives out before your back does on heavy pulls, this is five minutes of forearm and wrist work you can do anywhere. Use it on rest days or as a finisher after pull day.

The 30-day challenge

  1. Week 1: 3 rounds x 30 s each hand. Reach Stage 2.
  2. Week 2: 3 rounds x 45 s. Hold Stage 3 for a full round.
  3. Week 3: 4 rounds x 60 s. Touch Stage 4.
  4. Week 4: 4 rounds x 60 s + one max round. Stay in Stage 4 or higher.
  5. Day 30 test: how long can you hold Stage 5?

Spec

  • About 2.8 in wide, 2.2 in tall (7 x 5.5 cm). Fits one hand
  • About 2.8 in (7 cm) across
  • Self-starting: push the rotor with both thumbs, no cord to pull
  • Five-stage LED
  • Metal rotor core
  • Wrist strap and storage box included

How it's used

  1. Loop the strap around your wrist.
  2. Push the rotor with both thumbs in the arrow direction. It starts on its own.
  3. Circle the wrist to keep it spinning. Faster means a harder pull.
  4. Hold until the forearm gives out. Switch hands.

Buddy 2-Pack

Two balls for $79, $19 less than buying two. Race a training partner to Stage 5.

Free US shipping · Tracked · Estimated delivery: 2–4 weeks · 30-day photo claims (damaged, faulty or wrong item), no return shipping · 1-year replacement

Reviews

What buyers say.

Reviews marked "Bought at another retailer" are from people who bought this same product elsewhere. Reviews from Zontoo orders show a Verified badge.

  • 5 stars: 4 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
J
J***i
Bought at another retailer · USA

Such a great way to help strengthen hands and forearms. It’s great quality, feels substantial, and the windup process is super easy.

S
Shopper
Bought at another retailer · Australia

this acully eorks i love it so much but i it was making a wierd noise its fine tho

M
M***o
Bought at another retailer · USA

Works well with LED. I thought the band had broken, but I had to keep spinning to wind it up.

J
J***M
Bought at another retailer · USA

Satisfied. Well received and well operated as I expected.