CAMPAGNOLO 11 SPEED 17-19-21 COG ASSEMBLY FOR 12-27/12-29 CASSETTES

Original CAMPAGNOLO cog assembly for 11 speed cassette. These assemblies are only compatible with specific cassettes.

• cassette cogs  17, 19, 21
• compatibility  11 speed 12-27 and 12-29 cassettes
• light alloy supports
• 11s timing
• 11s tooth machining
• campagnolo part no  11S-791
• made in Italy