The DNM BURNER-RCP 2S Downhill Mountain Bike Bicycle Rear Shock is a high-quality coil over shock designed specifically for downhill bikes. Made from a combination of aluminum and steel, this rear shock has a length of 210mm and a travel distance of 61mm, providing 550lbs of compression force. With a sleek black color and originating from Taiwan, this rear shock is a reliable part for enhancing the performance of your downhill mountain bike.((no original box.))📦 mounting holes approximately 3/8 some nicks and scratches.