Japanese Name: 青チャリ
Official English Name: N/A
Chapter 303; Episode 225 
Ao Chari, literally meaning "Blue Bicycle" , is a bicycle that  Kuzan rides.
Kuzan is able to ride a bicycle over the sea, thanks to his
ice manipulating powers. He uses his powers to freeze the water in front of him to form a narrow track, which he can ride on. The bicycle itself, however, seems to hold no special properties.
This method of traveling was first seen when Kuzan met the
Straw Hat Pirates on Long Ring Long Land, after their Davy Back Fight with the Foxy Pirates. He was able to travel from island to island on his bicycle. It hasn't been seen after that in the canon series.
During the non-canon film,
One Piece Film: Z, Kuzan was seen riding this bike after the destruction of Firs Island.
One Piece Manga and Anime — Vol.
32 Chapter 303 and Episode 225,
Aokiji is seen riding the Ao Chari.
One Piece Yellow: Grand Elements (p. 261),
Ao Chari's name is revealed.
One Piece Movie 12,
Kuzan is seen riding Ao Chari in Film Z.
: Canon • Ushi Ushi no Mi, Model: Bison • Hito Hito no Mi • Tori Tori no Mi, Model: Falcon • Inu Inu no Mi, Model: Dachshund • Mogu Mogu no Mi • Inu Inu no Mi, Model: Jackal • Uma Uma no Mi • Neko Neko no Mi, Model: Leopard • Zo Zo no Mi • Inu Inu no Mi, Model: Wolf • Ushi Ushi no Mi, Model: Giraffe • Hebi Hebi no Mi, Model: Anaconda • Hebi Hebi no Mi, Model: King Cobra • Hito Hito no Mi, Model: Daibutsu • Sara Sara no Mi, Model: Axolotl • Mushi Mushi no Mi, Model: Kabutomushi
Mushi Mushi no Mi, Model: Suzumebachi
: Non-Canon • Tori Tori no Mi, Model: Eagle • Inu Inu no Mi, Model: Bake-danuki
Batto Batto no Mi, Model: Vampire
Related: • Rumble Ball
Artificial Devil Fruit