CAMPAGNOLO 11-SPEED 19-21-23 COG ASSEMBLY FOR 11-23 CASSETTE

Original CAMPAGNOLO cog assembly for 11 speed cassette. These assemblies are only compatible with specific cassettes.
campy part no. 11S-913
cassette cogs 19A, 21A, 23A
steel - nickel-chromed finish
compatibility 11 speed 11-23 cassettes
light alloy supports
11s timing
11s tooth machining
made in Italy