CAMPAGNOLO 11S 21-23-25 Sprocket Assembly B : 11S-135B

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

• cassette cogs  21B, 23B, 25B
• steel - nickel-chromed finish
• compatibility  11 speed 11-25 cassettes
• light alloy supports
• 11s timing
• 11s tooth machining
• campagnolo part no  11S-135B
• made in Italy