The Raceline Defender trailer center cap is a black cap sized for a 4.900-inch hub bore and intended for trailer wheel hubs. It covers the wheel center for a finished look and protects the hub opening from dirt and moisture. This direct, application-focused accessory is sold individually and matches Raceline Defender-style wheels that accept a 4.900" bore cap.
Raceline Defender Trailer cap black 4.900 hub bore