By using jump ropes

Results from Tennis Warehouse University test (80 strings within 1

The Pro model is for players over 127 cm and can be purchased here

20 mm balance point) like a regular racket but has a smaller hitting surface (head size 64 square inch=413cm2)

Topspin Cyber Flash 1,30mm 220m rulle tennissträng Tennisbuilder GripGuide By using jump ropesCyber Flash is Topspin's #1 best selling string! Cyber Flash is a round tennis string that is perfect for the rebellious player who hits hard and who prefers to spend more time on the court than at the stringing machine! The string is long lasting and provides a lot of control. Highlights: Best selling string Long durability and lots of control Good spin, power and feel Made in Germany Specifications: Material: PETP Co Polyester Color: silver