The Garmin cadence sensor with speed easily attaches to your bikes chain rear chain stay and measures your pedal revolutions per minute - an important indicator of cycling efficiency.

It has long been understood in cycling circles that higher revolutions per minute in lower gears for early season training is a good way to build a base and a more efficient pedal stroke. This is what the Garmin cadence sensor will help you accomplish. Understanding your optimum cadence in terms of revolutions per minute can help you ride for efficiently and conserve energy for those big accelerations. It is also helpful in verifying your pacing so that you do not overextend early in an event, especially for triathletes.