NSD Power Ball Roll-N-Spin Autostart Gyro Wrist Trainer and Forearm Exercise, Black
Brand: NSD
Product Code: PB-188A Black
Availability:   In Stock
Price: US$39.90
Quantity:  
   - OR -   

Power UP your game to the next level!

Use the Wrist Trainer to increase strength of fingers, wrist, hand, forearms, biceps, triceps, ligament and shoulders.
It is small and portable, making it convenient to be used anytime and anywhere.

No starter cord or external battery powered aid needed! Using the Spinner to strengthen your wrist and arms easier than ever! The Roll ‘n Spin Spinner incorporates a pre-tensioner inside the gyroscope that allows for a simple roll back to spin up the gyro with enough momentum to get you started.

  • Autostart with internal pre-tensioner, just roll back the rotor in the direction of the arrow on the rotor or against the internal resistance, when sufficient tension is achieved, release and enjoy!
  • Computer balanced inner gyroscopic rotor for VIBRATION FREE operation at up to 15,000 RPM
  • PATENTED Design; Compatible with NSD digital speedometer SM-01
  • Hard, impact resistant plastic shell that comes in an attractive BLACK
  • Small, compact exercise machine you can take ANYWHERE.
  • Provides up to 24.9 lb-in of torque at 10,000 RPM

 

Power Ball Gyro
Max Vibration Free RPM 15,000 RPM (250Hz)
Weight 8.9 oz (252 g)
Torque at 10,000 RPM 24.9 lb-in
Features Computer Balanced Rotor
Hard Plastic Shell
Ergonomic Grip
AutoStart Internal Pre-tensioner
Colour Black

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What People Are Saying...
I am really enjoy the products and the service of Badminton Bay.
1. High quality products (badminton racquets, strings, shoes as well accessory) with unbeatable price.
2. Great varieties, from Apacs to Yonex there are more than 10+bands to choose from.
3. More new products for customer with the upd ...»


Junteng , United States

YESSS, INDEED, I enjoyed the product I bought from you! The racket worked excellent for 2 years, after that I hit the ground very hard and it broke. I definitely will come back and buy another one at your store, unfortunately I earn very little money at the moment; (I live in Romania, eastern Europe) and I need to save the money for this project, but I sure will come back! I liked your service as well, you hoped me last time too to buy a very good racket at a reasonable price. So, Im a fan ...»


Bulcsu , Romania

Yes I do enjoy your products (two racquets and one pair of shoes) and I think they are a great value and also I think your service is great (preparing racquets and shipping). I will buy from you in the future again. However there is one minor blemish on your record. The Prospeed strings on the Lethal 6 racquet broke just after two games (and I don't hit very hard :-) ) so I had to re-string it which here in Canada is not inexpensive but I won't hold this against you. :-)"


Roman , Canada

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