Small change, big impact

Improve your tennis game by optimizing the string tension of your racket

tennis with more control

You can adjust your string tension directly with the Retenser, add tension for more precision in your stroke, reduce tension for extra power. The Retenser provides increased control in your game and a better feeling and more fun when playing.

better
performance

prolonged enjoyment of your strings

less
injuries

unique mechanism

The Retenser is a unique and patented mechanism including CCT1 technology, ITF approved and supported by several top players

1 Conic Cylinder Technology

easy to operate

The Retenser is easy to install by tennis string tensioners

Robin Haase about the retenser

Assembly

Our products

Retenser

  • 3 tension settings
  • For the recreational player
  • Optimize with up to 2 kg difference in string tension
  • Adjustment key

€39,99

Retenser pro

  • 3 tension settings
  • For the advanced player
  • Optimize even more precisely with 3 types of cylinders*
  • Additional adjustment key with orange cord
  • Luxury cylinder pouch

€89,99

**soft (up to 1kg), medium (up to 2kg), hard (up to 3kg)

Where to get your Retenser?

The Retenser is available through affiliated resellers, tennis instructors and tennis string tensioners

Webshop

Resellers can order the Retenser through our web shop