Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

Even if you don't have a Peloton Bike or Bike+, the at-home fitness giant's app can help you get in an effective, safe cycling workout. The instructor-led classes that are available for Bike and Bike+ ...