Campagnolo's 11-Speed chain is designed to be used with Centaur or any other 11-speed Campagnolo groupset. The new design of the Campagnolo 11 chain with wider links improves shifting performance and efficiency while reducing the noise of chainring and sprocket engagements. The Ultra-Link connectors provide maximum performance to Campagnolo transmissions. The enhanced efficiency and advanced anti-friction treatment of this chain will mean a longer life for your chainrings and sprockets. Technical Specifications: Suitable for any Campagnolo 11-speed Groupset 1/2 x 3/32 114 Links Ultra Link System for top-level fluidity high strength chain connection greater safety and longer chain life Silver colour Steel Advanced Nickel-PTFE anti-friction treatment for reduced friction smooth pedalling quiet operation greater efficiency and longer chain life Special steel link pins designed to adhere perfectly to gears and sprocket teeth providing maximum fluidity reduced friction and improved chain life Requires the Campagnolo Ultralink UT-CN300 Chain Tool for installation Maximum ratios for chains: Please note these are based on the largest front chainring to the largest rear sprocket CPB670A: 53t-34t / CPB670B: 53-32 or 50-36 / CPB670C: 53-29 or 50-32 / CPB670D: 53-25 or 50-27 Weight: 256g