When inclement weather or an injury forces you to ride indoors, especially for an entire season, you’ll want to invest in a bike trainer to help maintain fitness and get ready for outdoor rides. Resistance bike trainers tend to be more popular among riders of all levels due to their safety and ease of use, but some riders prefer using bike rollers for a more challenging indoor riding experience. While you don’t need to be an experienced cyclist to master bicycle rollers, it’s important to know more about this type of trainer before making an investment. Many cyclists find that rollers have a much steeper learning curve and can take time to master.
Source: Heavy Sports