39 Tooth Sprocket Disc Hub Mount 3 Sprocket Adapter Mount Rubber 9 Bolt Mount

3.15mm THICK, sprocket for 415 chain.
Due to the inconsistencies of Chinese
manufacturing please check concentricity of this sprocket,
holes may need to be filed out by hand for perfect centering.

Specifications:
Outer Diameter: 6 7/16th inches or 162mm
Center Hole Diameter: 1 7/16 inches or 36.9mm Fits LULU Mag Wheels
Thickness: .113in or 2.96mm
Weight 1lb 2.8oz
Material: Steel