If you want your bike to feel fast, smooth and efficient every time you ride, the Shimano Ultegra R8000 cassette is a serious upgrade. It’s designed to deliver crisp, reliable shifting while keeping weight low, so your drivetrain feels responsive whether you’re pushing the pace or settling into a long day in the saddle.

With a choice of ratios, you can fine-tune your gearing to suit your riding style. The 11–28T option gives you tight, controlled steps between gears for smooth cadence on rolling roads. Step up to 11–30T or 11–32T and you’ll get easier climbing gears that help take the edge off steeper gradients without losing your top-end speed.

Out on the road, the difference is all about flow. Shifts feel quick and consistent, so you can stay in rhythm without interruption. Shimano’s Hyperglide technology ensures each gear change is smooth and predictable, even when you’re putting power through the pedals on climbs or accelerations.

• Ultegra-level performance – lightweight and responsive drivetrain feel
• Choice of ratios – tailor gearing for speed, climbing or all-round riding
• Smooth Hyperglide shifting – fast, consistent gear changes under load
• Optimised gear steps – helps maintain a steady cadence
• Lightweight alloy carrier – reduces weight without sacrificing strength
• Durable sprockets – built for long-lasting performance
• Compatible with Shimano 11-speed drivetrains
• Ideal for road and endurance riding

• Model: CS-R8000
• Speeds: 11-speed
• Available Ratios:

• 11–28T (balanced performance for varied terrain)
• 11–30T (extra support for longer or steeper climbs)
• 11–32T (wide range for endurance riding and hilly routes)

• Sprocket Material: Steel (with lightweight alloy carriers)
• Carrier: Aluminium spider
• Shifting Technology: Shimano Hyperglide
• Freehub Compatibility: Shimano/SRAM 11-speed HG freehub
• Recommended Chain: Shimano 11-speed chain
• Weight: Approx. 250–300 g (varies by ratio)