Campagnolo Record cassettes UD™ 10-speed steel+titanium;
Ultra·Drive™ - nickel-chromed finish for steel sprockets - light alloy carrier.
Weight: 188 g
Available in 11-21, 11-23, 11-25, 12-23, 12-25, 13-26, 13-29 ratios

Please note only the 11-23, 11-21 and 11-25 options comes with lock ring