NFOX chain 6-7-8s quick release buckle 12 speed magic buckle 9s chain joint 10s mountain road bicycle accessories 10 pairs

Product Name: Chain Quick Release Buckle (Magic Buckle)
Brand: NFOX
Model: 6-7-8 S/9S/10S/11S/12S
Material: Material is 50c medium carbon steel quenched, hardness is HRA76-78 degrees; reuse 5 times; 6-8 speed height is 65mm, 9 speed is 62mm, 10 speed is 62mm, 11 speed is 58mm, 12 speed is 56mm, pitch is 21.7mm Unified
Color: Silver
Weight: 6-7-8 S: 24.6g (10 pairs/pack)/9S: 24.2g (10 pairs/pack)/10S: 24g (10 pairs/pack)/11S: 23.6g (10 pairs/pack)/12S: 23g (10 pairs/pack)