MRP’s new 2X (say two-by)

Posted on August 11, 2011 by NRG

MRP, the leader in chain management devices, introduces the new 2x guide for 2-chainring MTB cranks (say “two-by”).  In development for almost two years, the 2x utilizes our patented integrated skid chainring protection and introduces a new patent-pending dual pulley tensioning system.

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