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SO SIMILAR AND YET SO DIFFERENT

UNIDENTICAL TWINS

optibelt RBK
THE ALL-ROUNDER

Our evergreen with a high level of economy and enormous range. And now also "nassschlupfoptimiert" – it does not screech and offers perfect performance, even in wet conditions.


  • flexible and extremely resilient
  • low sound and vibrations at all speeds
  • fibre-reinforced EPDM mixture with polyester or aramid cord
  • extremely cold and heat resistant

optibelt EPK
THE ELASTIC ONE

An innovative drive belt for new drive concepts and space-saving structures.



  • transmission without the use of conventional tensioners
  • made from EPDM tensioners, with reinforced fibres and elastic cord
  • elastic cord ensures automatic tensioning over a long period
  • must never be replaced with a standard PK ribbed V-belt
  • installation of the EPK requires the optibelt MTA I and MTA II fitting tools