BEYOfficial stock pairingTakara Tomy UX-15
BLADEShark ScaleRATCHET4-50
BITUnder Flat
RESEARCHED PART GUIDE
Under Flat
Bit · Attack
Part typeBit
CodeUF
Primary roleAttack
SystemSeparate part
BATTLE PURPOSE
What does Under Flat change?
Under Flat is mainly used for aggressive movement and early knockout pressure. Final performance depends on the Blade, Ratchet, stadium and launch.
Treat this as a testable starting point, not a win guarantee. The Blade, other parts, stadium and launch can change the result.
HOW TO OBTAIN & MEASURED DATA
Under Flat weight and release variants
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COMPLETE BUILD STARTING POINTS
Blade, Ratchet and Bit combos using Under Flat
Start with tournament or stock evidence, then test for your launch and stadium. Every card shows the complete three-part build.
BLADEShark ScaleFAQ
Under Flat frequently asked questions
What is the Under Flat Bit used for?
Under Flat is mainly used for aggressive movement and early knockout pressure. Final performance depends on the Blade, Ratchet, stadium and launch.
Which Beyblade X models can use Under Flat?
It is generally mechanically compatible with models that use the separate Bit system. Integrated parts are exceptions, and both performance and event eligibility need separate checks.
Can Under Flat enter G1, G2 or G3 events in Malaysia?
Mechanical compatibility does not prove event eligibility. Confirm an official Malaysian release and follow the exact event notice, current Asia regulation and judge decision.
How should I test Under Flat?
Keep the Blade, other parts, launcher, strength, position and opponent consistent. Run at least five launches and record wins, control, bursts and scraping.