Tight fitting, hard metal and labeled for which direction to tighten. Avenir is a great brand. Not high end, but fits right and is plenty good enough for a fixed gear buildup.

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Tight fitting, hard metal and labeled for which direction to tighten. Avenir is a great brand. Not high end, but fits right and is plenty good enough for a fixed gear buildup.

  • For locking cogs on standard fixed gear hubs
  • For locking cogs on standard fixed gear hubs

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