New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today. Human existence ...

Knowing what bike gear ratios mean is vital knowledge for any progressing cyclist or triathlete. Once you understand the interaction between your chainrings and cassette you’ll select the right gear ...

Even though almost all new mountain bikes now have just one chainring and no front derailleur, it would still be nice to have all those other gear ratios again. The Binary Gear is designed to bring ...

Add Yahoo as a preferred source to see more of our stories on Google. Modern drivetrains are a net win for consumers, but there's a loss of simplicity in the push to add more gears Modern drivetrains ...