This fits your . Make sure this fits by entering your model number. Good Steel Hardness : Bicycle sprocket is made of steel, which has maximum durability and long service life. Good Steel Hardness : Bicycle sprocket is made of steel, which has maximum durability and long service life. Improve Overall Performance : Professional design can ensure perfect coordination and correct operation, so that your outdoor riding equipment always maintains the best performance. Wide Usage : It can be used to modify brushless motors and brushed high-power motors. Detail Size : 11 tooth sprocket, inner diameter 0.5x0.7 inches, diameter 2 inches, let you know more clearly its applicable scope. Convenient to Operate : It is easy to install, does not require complicated tools, and is easy to use, making it a good upgrade and replacement tool.