Front Wheel 10″ N15

10-inch left hub brake auxiliary wheel – inflatable inner and outer tubes (Chengxin 10*2.5 inner tube thickened), outer diameter 243mm, inner diameter 137mm, width 55mm – 2 left and right shaft sleeves – 2 anti-rotation plates – with round cap flange nut – shaft length 127*M12 shaft – crotch size 91mm left shaft sleeve length 11MM, right shaft sleeve length 19MM, black, matching with motor tires