Hello, I just figured out that the problem I'm having with my shuangren is that the springs are too soft.
So I'd like to change them for harder springs but I don't know which one to buy and where.
(Also I think I'm buying two set medium and hard if I can find them)
So I'd like to change them for harder springs but I don't know which one to buy and where.
(Also I think I'm buying two set medium and hard if I can find them)