Gear 21T attachable 3/32 X 1/2 Inch Flat

Description

Esjot Sprocket 1/2 x 3/32 Flat 21 Sprocket teeth – Number of teeth: 21 – Colour: silver – Chain size: 1/2″ x 3/32″ – Outer diameter: 90 mm – Inner diameter: 35 mm – Flat gear – Material: steel – Weight: 51 grams – Thickness: 1.99 mm – Type of bike: city bikes