Spare battery, charger, bike helmet, day bike backpack (approx. 20 liters) with rain cover, comfortable sports shoes, optionally bike shoes, weather-appropriate and durable clothing in multi-layer principle, optionally bike jersey, optionally cycling gloves, air pump, bike tools, sun and rain protection, provisions and drinking water, drinking bottle and suitable holder, first aid kit, pocket knife, mobile phone, optionally phone holder for handlebar, optionally headlamp and reflectors, map material