Shimano 105 10-Speed Cassette - North Rim Adventure Sports Chico Ca
Shimano CS-5600 10-Speed Cassette - Walmart.com
The Bike Shop - Shimano- Cassette Sprocket 105 CS-5600 10 Speed The Shimano 105 CS-5600 10-Speed cassette featuring Shimano's "trickle-down" policy finally brings the wide gear range of 10-speed Dura-Ace and Ultegra