Dear customers, due to COVID-19 restrictions, our business is impacted as many others. Slow supply of raw materials, high prices of materials, movement restrictions of our peoples...
We are a small family business and we struggle between our day jobs, families and AmberBikes.
We will proceed all the orders, this is our promise.
If you consider placing an order, please allow us longer delivery time.
Free shipping from 80eur!
Follow us on Instagram for exclusive deals!

Single-speed cog

Single-speed cogs are specially designed for thShimano-standard freehub splines.
IMPORTANT: While placing order, please leave a comment if you need it compatible with a normal chain or 12-speed (incl. Shimano HG+ & SRAM AXS Flattop)

  • Available in standard and narrow-wide teeth options: will work with variable chain options.
  • Made from hard wearing aluminum alloy.

Technical specifications
  • Material: 7075-T6
  • Manufacturing: CNC Milling
  • Weight (+/-1g):  39g (14T), 58g (16T), 133g (26T), 155g (28T), 182g (30T)
  • Freehub compatibility: Shimano HG
  • Surface coating: Colored anodized