Shimano CS-R7000 11-Speed Standard One Sprocket Cassette Size:One Size Flexible collar works with a

Flexible collar works with a wide range of cans and bottles to lock in the cold

so that it will be there when you need it

Chromoly steel skewer with plastic-coated lever and alloy body/acorn-nut

Avoid contact with skin or eyes

Threaded Shell Width: 68mm

Shimano CS-R7000 11-Speed Standard One Sprocket Cassette Size:One Size Flexible collar works with aA perfect companion to the SHIMANO 105 R7000 groupset, the R7000 cassette is available in a wide range of road and mixed surface ratios. It is compatible with HG EV and HG X11 chains. F HG EV HG EV cassette is for rider tuned gear combination & cadence management. We provide optimal 11 speed drivetrain gear ratio; you can choice wider and closer gear combination available to match various riding disciplines. HG EV cassette is obtained 11 speed gear