Butter b2 R.A.T. Chain Holder

  • Sale
  • MSRP $45.00

Until now Focus' ingenious Rapid Axle Technology system was only missing one thing; a butter chain keeper to go with it. In cahoots with Focus, we here at butter developed a simple and elegant solution. Torture tested by Jeremy Powers and the Boulder Cycle Sport crew, the b2 RAT works like a dream. 



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