Hand made in Japan by Runwell Tools, the Cog 1218L is for those who appreciate great quality tools and beautiful design. A chainless chain whip to remove cogs ranging from 12 to 18 teeth, and lock rings.

The Cog1218 is the ultimate replacement for a chain whip. No moving parts, 100% reliable and will last a lifetime. Never fear damaging your carbon wheels by slipping chain whips ever again.

The two ends of the tool are different sizes to perfectly mesh with sprockets between 12-15 tooth sprockets on one end, and 16-18 tooth sprockets on the other. It is not compatible with our Velobike 11 tooth Sprockets

The upgraded COG1218L features a integrated lock ring hook on the 12-15 tooth side of the tool. The outer lock ring plate is replaceable if damaged over time.

Specifications:

  • Fits 12-18 tooth sprockets
  • Compatible with 1/8", 3/32" or 11/128" Sprockets
  • Integrated lock ring hook
  • 330mm long
  • 355g

Note: Recommended to not use the tool on 12-15 tooth sprockets made of aluminium or carbon. The tool may deform the softer material when in use.

Runwell COG1218 Lockring

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