This article is about a/an form in Kamen Rider Zi-O.

"(Ziku-Driver D '9 Slot Ridewatch's transformation announcement)! Armor Time! 3, 2, 1! Fourze!"
―Transformation announcement[src]

"Finish Time! Fourze! Limit Time (Break/Burst)!"
―Finisher announcement[src]

FourzeArmor (フォーゼアーマー Fōze Amā) is a Kamen Rider Fourze-based form accessed using the Fourze Ridewatch, invoking Kamen Rider Fourze's Base States. When summoned, it is projected in a holographic Astroswitch and does Fourze's signature pose before transforming into a rocket while the parts separate to attach to the user. The FourzeArmor's Booster Module (ブースターモジュール Būsutā Mojūru) shoulders are modeled after the Rocket Module, and depending on whether it is used by Zi-O or Geiz, its visor spells out "Fourze" (フォーゼ Fōze) in katakana or "Fourze" (ふぉーぜ Fōze) in hiragana respectively. The FourzeArmor grants its user the ability to transform into a rocket, which will allow the user to fly.



"I'm going to space!"
―Sougo Tokiwa attempting to channel Gentaro Kisaragi[src]

Sougo received the Ridewatch from Mr. Osugi after meeting with the members of the 2018 Kamen Rider Club, who was instructed by Gentaro Kisaragi to give it to "a cool and amazing person that he would meet someday".Switch On! 2011

While fighting Another Zi-O's assembled Another Riders with Geiz, Zi-O used FourzeArmor's Limit Time Break to defeat the second Another Fourze, freeing its human host. Our Goal 2019


"(Digital beeping) Fourze!"
―Activation announcement[src]

"Space is here! The Rider who fights with the power of switches is... (Clock ticking noise) Fourze! (宇宙キター!スイッチの力で戦うライダーは…フォーゼだ! Uchū kitā! Suitchi no chikara de tatakau Raidā wa… Fōze da!)"
―Secondary activation announcement[src]

"Rider Time! (epic orchestral music) 3, 2, 1! Fourze!"
―Transformation announcement in the Ziku-Driver's right-hand slot[src]

"(Right-hand Ridewatch's announcement)! Armor Time! (epic orchestral music) 3, 2, 1! Fourze!"
―Rider Armor transformation announcement[src]

"Finish Time! Fourze! Limit Time (Break/Burst)!"
―Rider Armor finisher announcement[src]

Fourze Ridewatch (フォーゼライドウォッチ Fōze Raidowotchi): Based on Kamen Rider Fourze Base States, this Ridewatch provides access to the FourzeArmor used by Zi-O. It is dated 2011.


  • Limit Time Break (リミットタイムブレイク Rimitto Taimu Bureiku): Zi-O transforms into a rocket-like state to fly himself and the enemy into the Earth's upper atmosphere before delivering a corkscrew kick with his lower half covered in magenta energy. This variation is dubbed by Zi-O as the Space Rocket Tailspin Kick (宇宙ロケットきりもみキック Uchū Roketto Kirimomi Kikku).


  • Curiously, the toy of the FourzeArmor lacked a helmet for Kamen Rider Geiz, unlike the BuildArmor, Ex-AidArmor, and GhostArmor toys.
  • The FourzeArmor is the first Rider Armor where the shoulder pad's are not based on the collectible, transformation device, or armor piece of the rider it is based on.
  • FourzeArmor's design is an amalgamation of Base States and Rocket States.


See Also


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