Sunrace CS-R91 9-Speed 12-25T Cassette with Steel Cogs & Fluid Drive Brand_Galfer these stack spacers are integral

these stack spacers are integral to achieving a fully integrated handlebar setup

and gear transition efficiency

*Rack must only be used with Class III or IV 2` receiver hitches

optimizing your bike's gearing range and enhancing climbing and descending capabilities

Sunrace CS-R91 9-Speed 12-25T Cassette with Steel Cogs & Fluid Drive Brand_Galfer these stack spacers are integralUpgrade Your Road Performance with the Sunrace CS R91 12 25t 9 Speed Cassette Enhance your cycling experience with the Sunrace CS R91 12 25t 9 Speed Cassette, designed for serious road cyclists seeking reliable gearing, lightweight construction, and seamless performance. Engineered with innovative technology and premium materials, this cassette offers superior acceleration, precise shifts, and durability for both competitive racing and casual rides.