TOOPRE 2 Pairs Bicycle Chain Link Connector Joints Cycling Quick Master Links for Mountain Bike 6/7/8/9/10/11/12S Silver Feature: It is recommended to disassemble and assemble the magic buckle no more than 5 times. High compatibility and complete specifications, suitable for transmission systems of various brands, 6-7-85/9S/10S/11S/12S. Specification: Speed: 6-7-8 speed, 9 speed, 10 speed, 11 speed, 12 speed Color: Silver Material: Carbon steel Specification: 2 pairs/card Weight: about 11g/card Size: 9x9cm Applicable: 6-7-8S/9S/10S/11S/12S bicycle chains of various brands Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1set X Chain Connector It is recommended to disassemble and assemble the magic buckle no more than 5 times High compatibility and complete specifications, suitable for transmission systems of various brands, 6-7-85/9S/10S/11S/12S