The TEKTRO WHALESTEP-THRU bicycle comes with a comprehensive Owner's Manual to guide you through assembly, maintenance, and troubleshooting. You can download the manual for free from our website, ensuring you have all the information you need to fully enjoy your ride.
Step 2: Use the key to unlock the battery (fig. 5). While holding the battery with one hand, detach the battery by turning the release switch located on the