Two: Mountain bikes are suitable for long distance.
Three: Need to prepare helmets, gloves, glasses, masks or magic headscarves, enough money, mobile phones, a detailed map, a set of changed clothes and trousers (wear one set with one set), bring medical supplies (such as band-AIDS, gauze, penicillin), and backpacks (backpack rain cover, raincoat). Repair tool: 1. Hexagon socket: 6mm, 5mm, 4mm is enough; 2. Wrench: 16mm and 15mm split nuts; 3. pliers: 4. Cross screwdriver: universal type 5. Straight screwdriver: universal type 6. A set of tire repair tools 7. A pair of chain detachers 8. Two spare inner tubes are best. Generally, mountain bikes are 26-inch mountain bike tires with an inner diameter of 1.75-2. 1.