Thickness: 4mm; Length: 117mm; Center hole diameter: 37mm Compatible with stock mounting kit 9-hole set. Compatible with spoke wheels and mag wheels designed for electric bicycles. Package: 1 piece 28 tooth sprocket only; excluding bolt;
Thickness: 4mm; Length: 117mm; Center Hole Diameter: 37mm Compatible with 9-hole set of mounting kits in stock. Compatible with spoke wheels and mag wheels designed for electric bicycles. Package: Only 1 piece of 28 tooth sprocket; excluding bolt;
Product model number: cdhpower-sprocket-28 Battery included or built-in: No Package size: 19.89 x 19.71 x 0.71cm; 290g
