... axle can chose ABS 3.two gear ratio:5.73, 6.72 4.Automatic gap adjustment arm ... , easy to maintain3.can choose two gears ratio:5.73, 6.724. the Ground clearance of this ... Installation wayRim center hole positioning, Wheel bolts10-M22×1.5, Distribution circle φ335standard tread (mm)2000(12. ... wayRim center hole positioning, Wheel bolts10-M22×1.5, Distribution circle φ335standard tread (mm)2000(12. ...