46Changing the Operation BarThere are three sizes of operation bar available: Standard, Large,and Small. If you are shorter or taller than the recommended size forthe standard operation bar, we recommend that you purchase theappropriate operation bar (large or small) for your size.Instructions for changing the operation bar are included with your newoperation bar. If you do not feel comfortable changing the operation baryourself, your Ninebot dealer can do it for you.Size Bar Height Rider HeightLarge 1040 mm (41 in) 1.7–2.1 m (5'7"–6'10")Standard 900 mm (35 in) 1.5–1.9 m (5'0"–6'2")Small 790 mm (31 in) 1.3–1.7 m (4'3"–5'7")Table 7: Operation Bar Sizes