Optimized Chains - Save Watts - Increase The Life of a Chain

  In Stock Shimano - 11 Speed or 12 speed. Leave a note in the comment box at checkout.  In Stock Track Chains - Super Toughness  1/2 X 3/8 X 106 In Stock - Connex - 11 Speed or 12 speed. Leave a note in the comment box at checkout.  This is our optimized chain that athletes have used for years; micro polished pins, plates and rollers then waxed with our hot wax/friction reduction additives. Your chain will last a lot longer. Shimano Chain with standard link.  Whipperman Connex chain with re-usable quick release. Save 4-6 watt. Be this athlete! Don't be this athlete!   Since we made the video we have changed friction modifiers to further reduce parasitic drag.