Voltric 7's are usually factory strung with BG 65Ti at 18-20lbs It would not be strung at 24lbs as that is the maximum tension on the racket (4U) and yonex would not factory string so high
If it has been strung with BG65 Ti, the life of the string is very very good compared with the same BG65Ti if we string at the same tension. Why is that so ? Thanks
They last the exact same, if you got the strings strung at 18lbs they would last forever, some of my customers who string at 24lbs with 65Ti don't break them for 1-2 years