Lightweight aluminum frame, full suspension, high-performance suspension fork, effectively absorbs rough terrain and impacts, ensuring a resilient riding encounter 24 speed shifters and front and rear derailleurs make smooth gear changes and make climbing hills easy Confident and precise stopping power on the trail with the front and rear mechanical disc brakes, delivering crisp and reliable performance in any weather or terrain conditions Extra-wide double wall alloy rims combine strength and lightness, while the 2.25-inch wide knobby mountain tires are primed for rugged and uneven landscapes Durable alloy cranks provide steady gearing and less pesky maintenance on your end, arrive 80% assembled, some tools required for assembly