BES variators take advantage of the same working principle as ES/RV ones. They differ only in size and they are interchangeable with our competitor’s products. The flanges are made in high resistance aluminium alloy.

It is composed by a drive pulley type BE/R (with bearing) or type BE/RV (with handwheel to set speed variation) and by a driven pulley type BE/S with one helical spring.
By acting on the hand wheel of the drive pulley, the speed of the driven pulley will change.
The outgoing speed wide range and the best performance of the transmission offer useful solutions to any applications.

If you need remote speed control, we can provide many custom made solutions such as: hydraulic controls, powered servocontrols, interface for pneumatic cylinders or chain sprockets.



  • Variation ratio: 1: 9
  • Transmissible power: 0.37 - 30 Kw
  • Fixed wheelbase
  • Simple expansion


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