25X9 (M8) is a part of the MECHAKO multi-function self-propelled platform. It is a part of a long-range, fully-track drive system specifically designed for the U.S. Military's ground vehicle program. The 25X9 (M8) is a single sprocket that is attached to the track assembly on the chassis and provides drive to the drive wheels as the sprocket is driven by the track. The 25X9 (M8) is a cost effective, high-performance part of the MECHAKO system that is able to meet all of the U.S. Military's requirements for ground mobility and maneuverability. This sprocket is made from high strength steel and is hardened for maximum durability and longevity. It has two halves with an 8mm tooth profile and features anti-friction bearing that is designed to keep the track components operating smoothly and with minimal vibration. This part is also designed to be easy to maintain, inspect, and replace without any special tools.