For more technical support or similar device guides, you can visit the Sheldon Brown Cyclecomputer Archive or view installation videos on wheel size chart
: This is the most vital step for accuracy. You must input your wheel's circumference in millimeters. A common default is 2155 for standard 700c tires, but measuring the actual rollout of your tire is recommended for high precision. echo t3 cycle computer manual free
Place your bike on a flat surface with the front valve stem at the very bottom. Mark the floor at the valve stem. For more technical support or similar device guides,
The Wayback Machine isn't just for websites. Search archive.org for “Echo T3 manual”. Some users upload vintage or obscure electronics manuals here. Place your bike on a flat surface with
: Built-in clock (12H/24H formats) and elapsed trip time (TM). : Generally powered by a single CR2032 lithium coin cell , which can last up to 5 years under normal conditions. Configuration & Manual Guide