Fh Cass Sunrace Csmz903 11-51 Bk/Cp 12S (N)

• Shimano 12-speed compatible cassettes
• 7075 aluminum 42T-50T sprockets
• Alloy spider, lockring and spacers
• A7075 39-45T-51T sprockets

Specifications:

• Size:11-51t
• Material:12sp
• :11,13,15,17,19,21,24,28,33,39,45,51
• Color:Black/Chrome
• :586g