LING'S SHOP 10Pcs 5Pairs Bike Roller Connector 6-7-8/9/10 Speed Quick Master Link Joint Chain New Material: Steel, Color : Silver Suitable for: 6-7-8, 9, Speeds Chains (please select above) Suitable for mountain bike and road bike. Size: 2*0.8*0.5cm/0.78"*0.31"*0.2 Quantity: 10Pcs (5Pair)