MostFit® SYN Rings

MostFit® SYN Rings | Olympic Bar Attachments

  • Light-weight, compact and portable.
  • Allows weights to be suspended from an Olympic weightlifting bar.
  • Promotes core stabilization, explosive muscle engagement and athletic development. 
  • Sold as a pair.
  • 1 Year Manufacturers Warranty.


MostFit SYN Rings add a new type of intensity and instability element to weight training and functional training workouts.  SYN Rings allow the user to suspend weight plates from an Olympic weightlifting bar creating instability and forcing the user to engage more core and stability muscles to increase overall strength. SYN Rings allow the weight plates to move in all directions, including forward, back, side-to-side, up-and-down and in circular motions. Portable and easy to store, SYN Rings can go with you anywhere, fit in a drawer, or a small spot on the functional training zone floor. 

US Patent No.: 9,504,869



  • Easily attaches to a standard Olympic weightlifting bar.
  • Promotes explosive muscle engagement.
  • Light-weight, compact and portable. 



  • Nylon strap material: 21" L x 1 3/8" W
  • Double-stitched
  • Proprietary plastic rings: 3 1/16" x 3 3/16" OD, 2 7/16" x 2 1/2" ID
  • Custom rubber band
  • Aluminum center ring: 2" ID
  • 2 Steel D-Ring: 1 1/2" ID
  • 2 Steel Carabiner: 1 1/2" ID
  • 45 lbs recommended max on each unit


Note: Consult a physician before performing this or any other exercise program. It is your responsibility to evaluate your own medical and physical condition and to independently determine whether to use this device. By purchasing this device you assume the risk of any resulting injury. Thoroughly inspect your MostFit® SYN Ring before every use.


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