Product Details
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Shimano Ultegra CS-6600 10-Speed Cassettes
- Shimano Ultegra CS-6600 10-Speed Cassettes
- Ultegra CS-6600 cassettes with a 13-16-tooth first-position cog are not compatible with Dura-Ace FH-7800 hub or WH-7800 wheel
- Compatible with all 10- and 9-speed Shimano hubs except for 13-16-tooth first position cog cassettes which are not compatible with DA FH-7800 hubs or WH-7800 wheels
