Formulated to clean and lube at the same time, Rock'n'Roll Gold 4oz Lubricant keeps your drivetrain clean, smooth and quiet.Features: Bottle size 4 oz (118 ml). Top quality formula suitable for road and mountain bikes Creates a wet membrane to seal out water and dirt Prolongs the life of your chain Protects by reducing wear and tear Helps to keep your drivetrain clean and quiet Dramatically improves shifting and pedalling, making it easier for you to get where you want to go The Gold lube is suitable for keeping road and mountain bike chains in top condition.