Do More with Your
Mainstay Chain Guide
Accessories are the key to unlock the potential of your bike. In this section, you'll find a rundown of the most important things to know about your Tern accessory.
Read about how we test our products, and more.
Register Your Bike
Sign up for TernCare to double your warranty from 5 to 10 years, and to get customized tips and announcements from time to time.
About Our Warranty
Our warranty is fairly easy to read, so please take a moment to do so. Learn about the bike's intended use, the rider's responsibility, and more.