Thickness:4mm; Length:16.5cm; Diameter of center hole:37mm Compatible with 415 chain and 410 chain
10.5mm bolt hole diameter of the larger 3 holes that bolt to sprocket; 80mm measurement from center of large hole to center of larger hole that bolt to sprocket
Compatible with stocked installation kit 9 hole set; Compatible with 1.5 inch adapter of bike rear hub; Compatible with 1 inch adapter of bike rear hub ;
Compatible with spoke wheel and mag wheel which are designed for motorized bicycle;
Package: 1pc 40 teeth sprocket only; Excluding bolts; Any questions,please contact us firstly! we can help you solve the problem until you are satisfied. Thickness:4mm; Length:16.5cm; Diameter of center hole:37mm Compatible with stocked installation kit 9 hole set; Compatible with 1.5 inch adapter of bike rear hub; Compatible with 1 inch adapter of bike rear hub ; Compatible with spoke wheel and mag wheel which are designed for motorized bicycle; Package: 1pc 40 teeth sprocket only; Excluding bolts
Package: 1pc 40 teeth sprocket only;
Excluding bolts
Thickness:4mm; Length:16.5cm;
Diameter of center hole:37mm
Compatible with stocked installation kit 9 hole set;
Package: 1pc 40 teeth sprocket only;
Compatible with 1.5 inch adapter of bike rear hub;
Compatible with 1 inch adapter of bike rear hub ;
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