Caster board

（重定向自Waveboard）

As in skateboarding, riding with the left foot leading is called

A caster board or vigorboard is a two-wheeled, human-powered land vehicle. It is somewhat like a snakeboard. Other names are waveboard and RipStik, both associated with commercial interests.

A caster board has two narrow platforms known as "decks" that are joined by a "torsion bar", which consists of a metal beam, usually coated by rubber, that houses a strong spring. One polyurethane wheel is mounted to each deck with a caster so that that each wheel can steer independently, and each caster has a steering axis that is tilted about 30° back from the vertical.

单词	Waveboard
释义	Waveboard 英语百科 Caster board （重定向自Waveboard） A caster board or vigorboard is a two-wheeled, human-powered land vehicle. It is somewhat like a snakeboard. Other names are waveboard and RipStik, both associated with commercial interests. A caster board has two narrow platforms known as "decks" that are joined by a "torsion bar", which consists of a metal beam, usually coated by rubber, that houses a strong spring. One polyurethane wheel is mounted to each deck with a caster so that that each wheel can steer independently, and each caster has a steering axis that is tilted about 30° back from the vertical.
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