What is a 53/39 crankset?
What is a 53/39 crankset? Standard cranks have 53/39 gearing, meaning they have a 39-tooth small ring and a 53-tooth big ring. Ring is short for chainring, which is what the front gears are called that are bolted to the cranks. Compact cranksets are preferred for climbing races or for people who like to ride […]