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Semi-Flat or SF is a Performance Tip released by Takara Tomy. It debuted in Japan with the release of the BB-02 Starter Bull 125SF on August 9, 2008, and in western countries with the release of the Pegasus Tornado Wing 2-Pack.


Semi-Flat (SF) is a sharp tip with a flattened end. As a result, Semi-Flat displays a combination of Attack and Stamina qualities, moving in a semi-aggressive pattern. Because of this however, the two attributes are compromised, resulting in an average performance in both categories.

Semi-Flat produces a movement pattern that, while aggressive, is much slower than any flat Performance Tip. The increased friction with the stadium floor due to the wider tip both increases its Defense and Stamina in comparison to a bottom similar to Spike (S) or Eternal Spike (ES). However, it is in absolutely no competition with Performance Tips such as Wide Defense (WD) for Stamina or Rubber Spike (RS) for Defense.

Semi-Flat found a niche use in Destabilizer combinations, where a low Spin Track combined with Semi-Flat's balanced qualities allowed the Beyblade to destabilize the opposing Beyblade.


Takara Tomy





  • Semi-Flat (SF) is very similar to function and design to the Blow Performance Tip and its variants from the Burst Series.
    • Semi-Flat's design is similar to the Taper Bit and its variants from the X Series.