classic orange(经典橘黄色) elegant light gray(典雅浅灰色) simple gray white(简约灰白色) color note color(颜色备注色) simple light blue(简约浅蓝色) dark green(深绿色) simple light green(简约浅绿色) warm yellow(温暖黄色) classical dark blue(古典深蓝色)

black bracket(黑色支架) golden bracket(金色支架) upgraded reinforced version-black bracket(升级加固版-黑色支架) upgraded and reinforced version-golden bracket(升级加固版-金色支架) black bracket + pedal(黑色支架＋脚踏) golden bracket + pedal(金色支架＋脚踏) upgraded and reinforced version-black bracket + pedal(升级加固版-黑色支架＋脚踏) upgraded and reinforced version-golden bracket + pedal(升级加固版-金色支架＋脚踏)