What kind of string should I use?
you must decide what you want most from this your string as no one string can deliver optimal performance in all categories there are trade-offs in string some provide good resiliency but will not last as long as thick strings are is durable, but will not bite as well and are not as resilient.
three factors relate to strings that help us decide.
Durability how long it will resist breaking from the impact and abrasion of contacting the ball. two playability, combination of resiliency ball bite and both feel when strings are fresh.
playability how long the strings retains its resiliency bite and Ball feel. The factor that stiff rackets also should be considered in the tension and type of string.