Tenergy 05 Hard: Reviewed by Current US National Team Coach, Stefan Feth

Tenergy 05 Hard: Reviewed by Current US National Team Coach, Stefan Feth I tested the “Tenergy 05 Hard” for 2 weeks in training without tuning/boosting of the rubber. It is my new favorite Butterfly rubber for my style of play. In my opinion this will be the future rubber (game changer) for the elite players … Continue reading Tenergy 05 Hard: Reviewed by Current US National Team Coach, Stefan Feth