Do More with Your
Chain Guide - Gen 1
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.
![Tern Mainstay Chain Guide for Folding Bicycles](/sites/default/files/images/gear/2015/10/tn-mainstay-chain-guide-04-0_0.jpg)
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.