Shimano Tiagra CN-4601 10-Speed Chains - For Ultegra 6703 and 105 5703 triple drivetrains, please see 10-Speed Hyperglide non-directional chains - Hyperglide 10-Speed chain - Not compatible with Shimano 10-Speed Dyna-sys mountain bike drivetrains - Directional inner and 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 - 116 links