Spare Parts & Maintenance

Questions related to spare parts & maintenance, such as keys, maintenance frequency, and compatibility

• Why has a spanner symbol appeared on my e-bike display?
• What should I do if my bike gears are not working?
• Can I find out the color code of my bike?
• Where can I find user manuals for my bike?
• My bike is either too heavy or too light to pedal, what should I do?
• How do I tighten a bike chain?
• My bike tire has punctured twice in a short period of time, what could be the problem?
• Where can I purchase spare parts for Helkama bikes?
• Can I install battery-powered lights on an eMTB- or eFat-bike?