CASSETTE SPROCKET, CS-R8101, ULTEGRA, 12-SPEED, 11-12-13-14-15-16-17-19-21-24-27-30T
*** For Di2 and Mechanical Shifting Systems ***
12-Speed

UPC: 192790849898
PRODUCT CODE: ICSR810112130
ITEM NUMBER: CS-R8101 Shimano Cassette CS-R8101 ULTEGRA 12s 11-30T Di2 and Mechanical