Butterfly Sriver FX – Softer Sponge Allround Offensive Rubber Butterfly Sriver FX has been a trusted rubber for over 40 years, delivering consistent performance at every level of competition. With a harder top sheet and a medium‑soft sponge, Sriver FX provides excellent control while making it easier to generate speed and spin during offensive transitions. Perfect for allround attackers and developing players, it offers reliable performance for blocks, controlled attacks, and smooth offensive strokes. As part of the legendary Sriver series, Sriver FX has contributed to more than 20 World and 70 European titles. Product Highlights Butterfly’s most successful rubber series since 1967 Softer sponge density for easier spin and speed generation Hard, tacky surface with medium‑soft sponge for controlled offense Ideal for allround attackers and developing offensive players Reliable for blocks, smashes, and consistent spin transitions Pairs well with Kong Linghui, Boll Forte, SK Carbon, Balsa Carbo X5, Hadraw SK, and other Butterfly blades Butterfly Free Chack glue recommended for assembly Manufacturer Specifications Class: Allround / Offensive Inverted Rubber Surface: Pimples‑In (Inverted) Speed: 38 Spin: 15 Arc: 15 Sponge Hardness: 33° Made in Japan Butterfly Sriver FX offers a softer sponge feel compared to Sriver and Sriver EL, making it easier to generate spin and speed while maintaining control, ideal for players seeking balanced offensive play.
