CAMPAGNOLO 11 SPEED 21-23-25 TITANIUM COG ASSEMBLY FOR 11-25 CASSETTE

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

• cassette cogs  21, 23, 25
• compatibility  11 speed 11-25 cassettes
• lightweight titanium construction
• light alloy supports
• 11s timing
• 11s tooth machining
• campagnolo part no  11S-135BT
• made in Italy