SHIMANO 12S 138L Quick link for 12S CN-M8100 included/SM-CN910-12

HG chain for 12 speed. Extended internal plate improves chain engagement and retention. Unique design provides smooth shifting and durability. Quick link (SM-CN910-12) included ■Reference weight: 252g (114L) Roller link plate: Chromizing■Type: HG■Number of links: 138