To obtain an auxiliary wheel device for training of a monocycle for mounting an arm device with a caster at a lower end part on a monocycle so that a beginner may perform safe traveling without anxiety without a front falling, a rear falling and a rolling when the beginner performs a riding training for the monocycle.
A center of an arm 2 with a mounting plate 1 at an upper end part is bent at an arbitrary angle. Beams 5 with casters 6 are fixed to a lower end part of the arm 2 by a wear plate 10. The same type made by fixing bent shafts 4 having rotary cylinders 3 at arbitrary portions of the arm 2 is oppositely mounted on a support form 8 by the mounting plate 1 by crown fastening by holding a tire 9 by the rotary cylinders 3 from front and rear directions of a monocycle.
SHIBUYA EISUKE
AKAI YOSHIKAZU
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