Shimano's groupsets often often miss call-outs for European elegance or relentless pursuit of weight loss at all cost and innovation for innovation's sake, instead earning their loyal following through the incredible dependability and meticulous engineering of the Dura-Ace CS-R9100 11-Speed...

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Of all that can annoy us on a bike, interrupted shifting makes the top of the list. So, it's a good thing that the Dura-Ace CS-R9200 12-Speed Cassette is here to let us push our limits without having to think about our next gear change. Be it climbs, sprints, or all-out descents, this cassette...

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When Shimano's 12-speed cassette hit trade show floors last year it made quite the noise. While the brand is famous for its pristine engineering and meticulous approach to components, we'd be lying if we said that its designers don't take their sweet time when new ideas hit the table. It may have...

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We'll tell you straight up that while we appreciate the appeal of Dura-Ace cassettes, we understand why you would choose Ultegra for your bike. Smart racers routinely save money by going with Ultegra cassettes; the money saved can go for other weight shaving measures. Shimano Ultegra CS-6700...

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Shimano's Ultegra CS-R8000 Cassette is among our top picks for high-level road cycling because like all Ultegra drivetrain components, it's the perennial favorite based on the performance-to-dollars equation. With different demands for drivetrain ranges required for road, gravel, and CX riding,...

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Shimano Di2 got better, and faster, with the Shimano Ultegra RD-R8150 Di2 Rear Derailleur. We notice the smooth and quick shifting up our 12-gears of range no matter what conditions exist. The derailleur works with up to a 34t cassette that allows for plenty of low gearing range for the biggest...

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Getting us up to speed and back to a halt very quickly is the Shimano Ultegra ST-R8170 Di2 Shift/Brake System. This combo system includes light and responsive flat-mount calipers with an accurate wireless Di2 drivetrain. The hoods on the shifters have been made to be even more aerodynamic to...

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Fancy drivetrains like XTR may get the first hit of sleek new technology, but fortunately for us, Shimano doesn't lag when it comes to trickling the tech through the lineup, which is easy to see with the new XT CS-M8100 12-Speed Cassette. The new 12-speed XT cassette comes with a complete...

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Cassettes and derailleurs often get all of the credit. What we mean is, when Shimano launched its new 12-speed group, the eye-catching 11 - 51t cassette and lofty rear derailleur got all of the attention, while the chain remained an afterthought to most viewers. We're here to sing the chain's...

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There's no need to deal with shifting that interrupts our pedal stroke when we can have the XTR CS-M9101 12-Speed Cassette, which delivers definitive shifting that lets us pedal continuously. This cassette lets us shift smoothly and quietly, and it offers increased acceleration by reducing...

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