|This article is about a/an set of alternate forms in Kamen Rider Gaim.|
- "Ringo Arms: Desire Forbidden Fruits!"
- ―Transformation announcement[src]
Ringo Arms (リンゴアームズ Ringo Āmuzu, lit. "Apple Arms") is an alternate apple-based armored European Knight form of Armored Riders. Accessed through the Forbidden Ringo Lockseed, this form's Arms Weapons are the Sword Bringer and Apple Reflecter, while the Riders wear different versions of an unnamed helmet with an unnamed visor. While it is the default form of Armored Rider Idunn, it can also be used by other Riders.
- Armored Rider Idunn (Main user; Gaim Gaiden: Kamen Rider Zangetsu)
- Armored Rider Baron (Upgrade/Super Form; Gaim Gaiden: Kamen Rider Baron)
- Kamen Rider Gaim
- Jimber Ride Wear
- Kachidoki Ride Wear
- Kiwami Ride Wear
- Ride Wear (Drive Arms ver.)
- Kamen Rider Ryugen
- Kamen Rider Zangetsu
- Ride Wear (Watermelon Arms ver.)
- Kamen Rider Gridon
- Kamen Rider Kurokage
- Kamen Rider Bravo
- Kamen Rider Knuckle
- Kamen Rider Bujin Gaim
- Kamen Rider Mars
- Kamen Rider Kamuro
- Kamen Rider Zangetsu Shin
- Kamen Rider Duke
- Ride Wear (Dragon Energy Arms. ver)
- Kamen Rider Sigurd
- Kamen Rider Marika
- Unnamed Rider Slash: Idunn unleashes a powerful slash with the Sword Bringer.
- Cavaliend (キャバリエンド Kyabariendo): Baron jumps into the air, engulfed by a red apple-like energy focused on his left foot as he strikes the target with a powerful kick.
- In Gaim Gaiden, Ringo Arms has two different designs for Idunn and Baron respectively.