LEER Truck Accessory Center 26540 Jefferson Ave, Murrieta, CA92562 LEER Truck Accessory Center is located on Jefferson Avenue, off of the I-15 Freeway. The company markets a complete line…More of truck caps, tonneau covers and lifestyle packages for just about any kind of truck. LEER's truck caps and tonneau covers are made out of non-corrosive aluminum and fiberglass. These accessories enhance a vehicle's appearance, improve mileage, and create a lockable, weather-safe space for cargo and equipment. LEER's lifestyle accessories are perfect for transporting recreational gear. The devices are specially designed for bikes, camping equipment, luggage, kayaks and skis.