This ABS gear ring, also known as ABS tone ring, is the signal generating component of heavy truck anti-lock braking system. It is installed on the wheel hub and works together with the ABS wheel speed sensor to generate pulse signals, feeding real-time wheel rotation speed data back to the ABS ECU. The ECU judges wheel slip condition and adjusts brake pressure to prevent wheel locking and improve driving safety on slippery roads. Made of high-strength carbon steel with precision CNC tooth profile processing and anti-rust surface treatment, it maintains stable signal output under heavy vibration, mud splash and large temperature fluctuation in long-haul transport. Each gear ring undergoes tooth profile inspection and signal detection before delivery. It solves typical faults including ABS warning lamp lighting and intermittent wheel speed signal loss, serving as an important replacement spare part for truck brake system maintenance.