|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 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
- In Gaim Gaiden, both Idunn and Baron have a different helmet when they assume Ringo Arms respectively.
- The helmet that Baron wears is identical to the helmet that Armored Rider Mars wears when he assumes Golden Arms.
- Both of their armors also differ slightly in design.