SHIMANO Chain Ultegra Compatible Ultegra 6701 10-speed

114L Speed: 10 speed Type: 10-speed super narrow HG Average weight: 272g The key to a high-performance drivetrain is the lightweight, hollowed-out super narrow HG chain. Chamfering is applied to match the tips of the chainrings and sprocket teeth for more precise and smooth gear changes. Smooth front and rear shifting is possible even under heavy loads. It also reduces chainring bite.