This Red Line Flight quick change sprocket is a must-have for any BMX enthusiast. Made of high-quality aluminum, this 40 tooth sprocket is durable and built to last. It is compatible with Red Line bikes and a variety of BMX bikes, from old school to flatland to racing. Featuring a sleek silver color and 40 teeth, this sprocket is perfect for riders looking to upgrade their bike's performance. Made in the United States, this Red Line sprocket is a top-of-the-line part type that will enhance your BMX experience. Whether you're a pro rider or just starting out, this sprocket is the perfect addition to your bike.