To give durability a boost, the chain undergoes special heat treatment and uses KMC's patented metal coating for rigidity, flexibility, strength, and reduced wear and tear for an estimated lifespan of 7500km (4660 miles). Product details ...
But the Naperville Sprint Duathlon this year was pretty much perfect, and the 1 mile run, 13.7 mile bike ride, then 3.1 mile run had plenty of competitors charging along the roads on a beautiful mid summer day. I had driven the course once with my bike in the back of my SUV. I had...