12-Speed Wide Ratio
11-51T
11-13-15-17-19-21-24-28-33-39-45-51
Compatible with SHIMANO 12 speed drivetrains and standard Shimano freehub body
A7075 39-45T-51T Sprocket
Alloy Spiders
Alloy Lockring & Spacers
Black Chrome
Weight: 517g