CN-M8100 XT/Ultegra 12-Speed Chain 138 Links Calf Sleeves Durable and lightweight carbon composite

Durable and lightweight carbon composite body

adjustable ErgoNose system

6mm Super Over Sized design

stronger legs thanks to CEP’s supportive medical grade compression that extends from ankle to calf

SPD-SL integrates the shoe and pedal so they perform as a single ultra-efficient component

CN-M8100 XT/Ultegra 12-Speed Chain 138 Links Calf Sleeves Durable and lightweight carbon compositeShimano XT Ultegra CN M8100 12 Speed Bicycle Chain: The Shimano Deore XT Ultegra CN M8100 12 speed chain is optimized for use with the Deore XT M8100 MTB and 12 Speed Ultegra drivetrain systems. HYPERGLIDE+ technology dedicated chain delivers greater chain retention, improved shifting efficiency, and smoother transmission over rough terrain Extended inner plate improves chain engagement Reduced shift times and pedaling shock