Gear 22T attachable 3/32 X 1/2 Inch Ball

Esjot sprocket 1/2 x 3/32 Spherical pitch 22 Spherical teeth - Number of teeth: 22 - Colour: silver - Chain size: 1/2" x 3/32" - Inner diameter: 35 mm - Spherical sprocket - Material: steel - Weight: 64 grams - Thickness: 2 mm - Type of bike: city bikes