Home Slickdeals Shimano Ultegra CS-R8100 12-Speed Cassette 11-30 T or 11-34 T – $55.99... Slickdeals Shimano Ultegra CS-R8100 12-Speed Cassette 11-30 T or 11-34 T – $55.99 @ REI By ARCOM - 23 July 2023 21 0 SHARE Facebook Twitter Go to the deal page: Shimano Ultegra CS-R8100 12-Speed Cassette 11-30 T or 11-34 T – $55.99 @ REI