Unfortunately racket strings do not last forever, and will either become slack with age or break during play. We offer a stringing service via the Yonex Stringing Centre. Mark Lever who strings for Yonex at major tournaments does them for us at a cost of £17 per re-string (for BG65 strings).
Unless otherwise specified, rackets will be strung at 24lb tension using Yonex BG65 strings. Other strings can be requested but may cost a little more. You can request different stringing tensions at no extra cost. Defensive players and beginners will probably benefit from a lower tension of around 18Lb. More advanced players who play a more attacking game, may prefer much higher tensions, but please be aware of maximum recommended tension for your particular racket and also note that when high tensions are requested your racket may break if it has damage to it’s frame. No responsibility can be accepted for breakages to damaged rackets. Note that the higher the string tension is, the less time it is likely to last you! Higher tensions give more powerful smashes for the very experienced players, but the smaller sweet spot is a disadvantage for many.
Finer strings will not last as long as thicker strings and will be more prone to breakage, particularly if you do a hard shot using the edge of the racket face.