Most fitness gear can last for years but some gear may be used way beyond their expiration date. It doesn’t hurt to update or even upgrade some of your equipment.
Running shoes - Often you can just take a look at the soles of your favorite running shoes and know it is time to toss them. However, for most runners, the average length of time your shoes may last is between 350 - 500 miles. For those who run at least 25 miles per week, the recommendation is to get a new pair every 3 to 4 months.
Bicycle helmet - Bicycle helmets should be replaced after any crash. The foam inside may not be as protective after an impact. The same goes if you have dropped your helmet on a hard surface and have cracked the foam. If your helmet is very old, it is a good idea to get a [...]

Original post by Eartha