Fosna specializes in high-performance electric bicycles and e-bikes designed for outdoor adventures, urban commuting, and reliable daily transportation.
Fosna is a dedicated manufacturer of premium electric bicycles, offering a wide range of e-bikes such as the Ragnarok, Embla, Hugin, and Odin models. Equipped with robust crank motors, durable carbon frames, high-capacity LG batteries, and advanced Sram gearing systems, Fosna e-bikes are built to deliver exceptional performance and reliability.
Whether for city commuting, trail riding, or leisurely journeys, Fosna prioritizes safety, comfort, and cutting-edge technology. Their models frequently feature intuitive LCD displays, hydraulic disc brakes, and rugged construction designed specifically for diverse and demanding road conditions.
Latest manuals from manuals+ curated for this brand.
Common questions about manuals, registration, and support for this brand.
The serial number is located on the bike frame and the original packaging. It is highly recommended to write this down for service and warranty purposes, as it is not automatically registered with the supplier.
The recommended tire pressure is generally between 2.5 to 4 bar depending on the model and rider weight. Check the sidewall of your specific tires for the exact air pressure recommendations.
Error code 21 indicates a system error. First, restart the electric bike. If the problem persists, bring the bicycle in for service at an authorized dealer.
To access the settings menu, press and hold the '+' and '-' buttons simultaneously. Press the 'ON/OFF' button briefly to navigate sub-options and confirm your selections.
If not in use for a month or longer, ensure you maintenance charge the battery at least once a month. Never let it drain completely, and store it charged up to approximately 80% rather than 100%.