This article is about a/an set of transformation devices in Kamen Rider Kabuto.
Zecters (ゼクター Zekutā), also known as the Masked Rider System (マスクドライダーシステム Masukudo Raidā Shisutemu), are a compilation of mobile systems that affect space and time. They were created by the Natives, a species of Worm that arrived on Earth 35 years ago. These Natives in turn gave the Zecters to humans so that they may protect them from alien Worms that would arrive later. The Zecters appear instantaneously from the ZECT headquarters to the selected personnel so that they may transform into the respective Rider to fight any Worms in the vicinity. Each Rider (except for the Hopper Riders and the Kabutick Riders) possesses two forms: the bulky armored cocoon-like Masked Form (マスクドフォーム Masukudo Fōmu) and the sleeker Rider Form (ライダーフォーム Raidā Fōmu) which can use the Clock Up (クロックアップ Kurokku Appu), a system that allows the Rider to move at high speed. They also have the ZECTroopers to help them. A user is able to freely switch between forms, to Rider Form using Cast Off (キャストオフ Kyasuto Ofu) and to Masked Form using Put On (プトオン Puuto Onu) Worth note is the Zecters have a mind of their own and can reject their present user in search of another one if they so choose.

As Kamen Rider Kabuto was the 35th anniversary of the Kamen Rider Series, Masked Rider Project as mentioned in the course of the series was said to be started on 3 April 1971. The Worm species known as Natives also first arrived on Earth on the same year. In real-life, it was the date that the first episode of Kamen Rider, the original series, was first broadcast.

In Hyper Battle DVD, Kabuto Zecters and Gattack Zecters explained that each Zecters chose people based on their personality. Lists of the known candidate reasons are:

  • Kabuto: Choose the one with the life path of Heaven.
  • Gattack: Choose the one with the straight forward and righteous heart of justice.
  • TheBee: Choose the one with the great loyalty.
  • Drake: Choose the one who prioritize freedom.
  • Sasword: Choose the one who aim to be the best of everything.
  • Hopper: Choose the one who aim to live in Hellish world.

Despite the explanation, however. Kabuto and Gattack Zecters were made only so they can be used by Soji Tendo and Arata Kagami according to the series canon when Soji and Arata found a file about Zecters creation. In Zi-O, Kabuto Zecter also lend its power to Arata when he couldn't defeat Another Kabuto.

List of Zecters

There are twelve known Zecters within the Masked Rider System, each allowing the user to become a different Rider. The majority are based on insects, with the sole exception being the Sasword Zecter, which is a scorpion, an arachnid.

There also exist two other Zecters known as the Perfect Zecter and the Hyper Zecter. The Perfect Zecter serves as a primary weapon while the Hyper Zecter is a power-up device that enhances the powers of the original Zecter. Both were only used by Kabuto in the series, but Gatack got to use the Hyper Zecter in the Hyper Battle DVD.



The voice of the Zecters was provided by Surage Gajria (スラージ・ガジリア Surāji Gajiria). When given personalities in Kamen Rider Kabuto: Birth! Gatack Hyper Form!!, the Kabuto Zecter and Gatack Zecter were voiced by Tomokazu Seki (関 智一 Seki Tomokazu) and Kōji Yusa (遊佐 浩二 Yusa Kōji) respectively.

Icon-kabuto Kamen Rider Kabuto
Masked Rider System Users
Souji Tendou (alternate) - Arata Kagami - Daisuke Kazama - Tsurugi Kamishiro - Sou Yaguruma - Shun Kageyama - Souji Kusakabe
Movie-exclusive Riders: Issei Kurosaki - Hidenari Oda - Tetsuki Yamato
Gear: The Zecters - Rider Belt - Rider Brace - ZECT Kunaigun - Kabuto Kunaigun - Drake Glip - Zectmizer - Perfect Zecter - Gatack Double Calibur - Sasword Yaiver - Kabuto Extender - Gatack Extender - Machine Zectron - Kabutick Zecters
Hiyori Kusakabe - Jyuka Tendou - Yumiko Takemiya - Gon - Jiiya
Other allies: Takeshi Hongo
Riku Kagami - Masato Mishima - Renge Takatori - Yuzuki Misaki - ZECTroopers
The Natives: Daigo Tachikawa - Shuichi Tadokoro - Negishi - Masato Mishima - Hiyori Kusakabe
Worms: Aracnea Worms (Aracnea Rubor - Aracnea Flavus - Aracnea Nigritia) - Lanpyris Worm - Bellcricetus Worm - Epilachna Worm - Pulex Worm - Verber Worms (Verber - Verber Rota) - Coleoptera Worms (Coleoptera Aeneus - Coleoptera Croceus - Coleoptera Argentum) - Musca Worm - Sectio Worms (Sectio - Sectio Acuere) - Formicaalubus Worms (Formicaalubus - Formicaalubus Oculus - Formicaalubus Maxilla) - Brachypelma Worms (Brachypelma Aurantium - Brachypelma Viridis) - Tarantes Worm Purpura - Geophilid Worms - Acarina Worms (Acarina - Acarina Amber) - Viella Worm - Sepultura Worm - Genomyas Worm - Culex Worm - Foliatus Worm - Cammarus Worm - Camponotus Worms (Camponotus Oculus - Camponotus Maxilla) - Cochlea Worm - Leptophyes Worm - Subst Worm
Executive Worms: Uca Worm - Cassis Worm
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