SHIMANO BIKES CS-R8101 ULTEGRA 12-SPEED CASSETTE SPROCKET
*** For Di2 and Mechanical Shifting Systems ***
TECH SPECS
- COMPATIBLE CHAIN: HG 12-speed
- SERIES: Ultegra
- GENERATION: Ultegra R8100
- NUMBER OF SPEEDS: 12
- CASSETTE OR FREEWHEEL: Cassette
- PRODUCT CODE: ICSR810112134
- ITEM NUMBER: CS-R8101