Frame: Made of lightweight and durable aluminum. Transmission: Shimano 27-speed system (3 front and 9 rear) for smooth gear changes. Brakes: Hydraulic disc brakes provide excellent stopping power in various conditions. Suspension: Front suspension system to absorb shocks on uneven trails. Hardness control feature. Tires: 27.5 or 29 inch size with a tread that ensures high stability on dirt and gravel. Comfortable and suitable for cities Simple use, almost new Front and rear lighting