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.
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.