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Every order ships free with tracking. Timings are on our delivery page.
Email us with your order number within 30 days of delivery and we will send a prepaid returns label. Refunds go back to your original payment method.
Tell us the sport, your level and the measurements that matter at sportium.co.uk@gmail.com and we will help you choose.
SHIMANO Ultegra R8000 Cassette is a lightweight, precision-machined 11-speed road cassette engineered for smooth shifting and durable performance across the 11-32 gear range.
The Ultegra CS-R8000 is Shimano's high-performance 11-speed cassette designed to balance weight, durability and consistent gear transitions. Built with nickel-plated steel cogs and an aluminum carrier, it delivers the reliable indexing and shifting feel road riders expect from Ultegra-level components. Multiple sprocket range options accommodate racers and endurance cyclists who want crisp shifts and an efficient gear spread.
The R8000 cassette features precision-cut teeth and a carrier-based construction that preserve chain engagement under load, producing quick, accurate shifts. Nickel plating reduces wear while maintaining low friction during gear changes.
R8000 comes in several cassette sprocket layouts to suit different riding styles, from tight race ratios to wider endurance ranges for climbing. Each option carries a stated weight that helps you match component mass to your bike and performance goals.
The cassette uses nickel-plated steel cogs mounted to an aluminum carrier, giving a balance of wear resistance and reduced weight. It's intended for Shimano 11-speed road freehubs; confirm your hub and derailleur compatibility before installation.
Installation follows the same procedure as other Shimano cassettes: slide onto the freehub, torque the lockring to spec and verify indexing with your rear derailleur. Routine cleaning and proper chain maintenance extend cog life and sustain shift quality.
Who is this for? Cyclists seeking a high-value, performance-oriented 11-speed cassette will appreciate the Ultegra R8000: racers who want tight gear steps, sportive riders who need reliable shifts, and commuters or club riders who want durable materials without the premium price of top-tier models. Check your freehub compatibility and desired gear spread, then choose the sprocket range that best matches your riding terrain and cadence preferences.
Q: Is the Ultegra R8000 compatible with 11-speed Shimano freehubs?
A: Yes. The CS-R8000 is made for Shimano 11-speed road freehub bodies; verify your hub is 11-speed road compatible.
Q: When should I replace the cassette?
A: Replace the cassette when you notice climbing skips or after replacing a stretched chain, typically every 2–4 chain replacements depending on riding conditions.
Delivery: free and tracked to addresses across the UK, with no minimum spend. We email your tracking link as soon as your order is dispatched; timings are on our delivery page.
Returns: 30 days from delivery to return an unused item in its original packaging free of charge, with a prepaid label. This is on top of your 14-day legal right to cancel, and your Consumer Rights Act protections for faulty goods.
Damaged or wrong item? Email us a photo at sportium.co.uk@gmail.com and we will replace or refund it.
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