Echo J7 Cycle Computer Manual -

This is the most critical step.

The first step to using your Echo J7 is proper hardware installation. If the sensor and magnet are not aligned correctly, the computer will fail to register speed. echo j7 cycle computer manual

: Enter your wheel circumference. You can find common values in the Wheel Size Chart or perform a manual "rollout" by measuring one full rotation of your tyre on the ground. Step 5 : Press SET to save and exit. Setting the Clock (CLK) Bicycle Maintenance: How To Install a Bicycle Computer This is the most critical step