Yonex Polytour Fire 120 / 17 Tennis String - Red
Yonex Polytour Fire 120 / 17 Tennis String - Red

Yonex Polytour Fire 120 / 17 Tennis String - Red

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Poly Tour Fire is a round polyester monofilament that will keep your biggest strokes inside the lines. The feel is firm but nicely dampened, with a surprisingly low level of shock on off-center hits. Yonex has made this string with its unique Silicone Oil Infused Filament (SIF) Technology. This is a manufacturing process that reduces stringbed friction, enabling the strings to snap back with vicious force (resulting in heavy spin). Our TW playtesters were impressed by how much control this string offered on full swings. 

· Impressive snapback and responsiveness from SIF technology (Silicone Infused Filament)
· For players with medium-to-fast swing speeds looking for added power and spin


Product Description  

  • Yonex Polytour Fire 120 Tennis String
  • For mid-to-advance hard hitting players. More powerful spin with SIF Technology. 
  • Color: Red
  • Material: Polyester (Monofilament)
  • Gauge: 17 (1.20 mm),)
  • Length: 39 ft / 12M 
  • Made in Japan



This new Silicone oil Infused Filament (SIF) technology--monofilament infused with Silicone oil--allows big hitters to experience ultimate spin from intense snapback speeds. Greater snapback produces a powerful spin. SIF Technology with unique pentagonal structure allows the string to move faster than conventional models, increasing spin.


Imagine if you could be satisfied and content with your purchase. That can very much be your reality with the Yonex Polytour Fire 120 / 17 Tennis String - Red.

Inventory Last Updated: May 22, 2022