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14-tooth X-SYNC lower pulley easily facilitates 11- to 50- and 10- to 50-tooth cassette capacity

Bead: Wire

An heirloom mount to move from bike to bike for a lifetime

Length: 133mm

Shimano ULTEGRA CN-6701 10-Speed Chain Silver/Gray can be discounted fitness classesShimano CN 6701 10 Speed Chains For Ultegra 6703 and 105 5703 triple drivetrains, please see 10 Speed Hyperglide non directional chains Hyperglide 10 Speed chain Directional inner & outer plates designed for better contact with gear teeth allow smooth shifting even under high load conditions Chromized rivet pins improve wear resistance Perforated plates for reduced weight Zinc alloy plated outer link surface treatment