Ultegra CS-R8000 Cassette - Strictly Bicycles
Ultegra CS-R8000 Cassette - Strictly Bicycles
Ultegra CS-R8000 Cassette - Strictly Bicycles

Ultegra CS-R8000 Cassette

ICSR800011125

Regular price $88.99
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Only 0 items in stock!
Shimano's Ultegra group is one of the most popular out there with good reason: it's the perennial favorite when you factor the performance-to-dollars equation. With different demands for drivetrain ranges required for road, gravel, and CX riding, Shimano has created cassette ranges designed to allow the R8000 drivetrain to easily satisfy the needs for a variety of riders. The Ultegra CS-R8000 Cassette ranges as high as 32t, so you can set up the new Ultegra (or Dura-Ace R9100) with the range you need for gravel epics, 4 corner crits, hill climbs, junior nationals, and everything in-between.

Shimano's experience in forging, machining, and engineering allows for an enormous amount of technology that goes into tooth design, shaping, and shifting ramps. The cogs themselves are constructed from a nickel-plated steel that prevents corrosion and is slow to wear. Ultimately, this leads to cassettes that shift smoother and more precisely—and last longer—at a price that's friendly to the self-sponsored racer.

The top five cogs are grouped as three and two, respectively, and are riveted to anodized aluminum spiders that add stiffness to improve shifting. The remaining six cogs are individual with spacers between, and an anodized aluminum lockring screws into the freehub to hold the entire assembly together. One spline of the cassette is wider than the others and corresponds with the splines on the freehub, so the cassette cogs can only be installed with the right clocking of the shifting ramps, timing them for perfect chain pick-up and release. This innovation is true to Shimano's Japanese culture, which uses the term "poka-yoke" to refer to features—like these guiding splines—that serve as built-in wards against user error.

  • Long-lasting racing cogs for the self-sponsored cyclist
  • Reliable, durable steel preforms like Dura-Ace plus a few grams
  • Precisely machined ramps allow for accurate 11-speed shifting
  • Ranges available for crits to climbs to gravel grinds
  • Shimano's Ultegra R8000 drivetrain leads the way for best value in the industry