High grade CrMo steel Cog for your single speed set up. Our extra wide sprocket flange will protect your lightweight alloy free hub body.

• Features
  - For Shimano HG
  - Size: 20T, 18T, 17T, 16T, 15T, 14T, 13T
  - Flange: 7 mm
  - Tooth thickness: 1.8 mm
  - Compatible: 1 - 12-speed chains
  - Weight: 20T 62g / 18T 43g / 17T 36g / 16T 31g / 15T 28g / 14T 23g / 13T 19g  ( /- 5% weight tolerance)
  - Material: CrMo steel

  Extras
  Extra wide flange on the cog (7 mm) which allows better power transmission to the freewheel body!