腳輪尺寸

底板尺寸

底板孔距

安裝尼帽尺寸

2″

57x72 mm (2-1/4″x2-13/16″)

40x55mm (1-9/16″x2-13/16″)

8mm (5/16″)

3″

84x84 mm (3-1/3″x3-1/3″)

64x64mm (2-1/2″x2-1/2″)

8mm (5/16″)

50mmx21mm
(2″x7/8″)

中管

71mm
(2-13/16″)

75mmx21mm
(3″x7/8″)

滾珠

96mm
(3-3/4″)