Attachable Gear 21T 1/2 X 1/8 Inch Ball

Description

TOM 21T sprocket plug. – Number of teeth: 21 – Type of bike: city bike – Weight: 82 grams – Colour: dark gray – Thickness: 2.8 mm – Inner diameter: 36 mm – Necklace Size: 1/2 x 1/8 ” – Gear bulb