Two Durable Silver Bicycle Chain KMC Magic Buckle of 6-7-8-9-10 Speed ButtonFeatures:Practical bicycle chain buckle of KMC chain magic Buckle have all speed magic buttonSuitable for mountain bike and road bike.Material : Durable steelSpecification:Color: As the picture showsWeight:0.003kgProduct Size:2.1X0.8X0.5CMPackage Included:1 x Pair of Bicycle Bike Chain