The undisputed domestique in Shimano's lineup is its 105-level components. Sure, it's never going to match the lightweight build as the GC leading Dura-Ace components, but the price-to-performance ratio and its durability make it a teammate you can always depend on. For the newest version of this...

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Shimano's 105 group continues to lead the charge where performance to dollar value matters in its road group range and it fully benefits from the technology featured in its Ultegra and Dura-Ace components. The new R7000 group keeps this tradition alive and well and the 105 CS-R7000 Cassette is a...

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Keeping uphill gearing on your mountain bike without having to plunk down for a 50+ cog and fancy colors to upgrade your workhorse 10-speed drivetrain is now easier with the Shimano CS-M4100 Cassette. With terrain specific options, the 42-tooth or 46-tooth, you can ride long tempo climbs or have...

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Rider-tuned gear steps and lightweight materials deliver durable shifting performance

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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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We're not afraid to assert that Shimano is the de facto leader in trickle-down technology. The brand consistently executes progressive changes across its componentry in a methodical, rather than frantic, fashion, then spreads those changes across the rest of its line like a fairy godmother in a...

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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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For 2015, Shimano's 105 groupset got a few high-profile upgrades. It's gone to 11-speed, and now has many of the same crankset technologies seen in Dura-Ace and Ultegra. As you'd expect, changes to the cassette and crankset also necessitate changes to the chain that connects them. Shimano...

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12 speeds of range make its way to the Shimano lineup with the Ultegra CS-R8100 12-Speed Cassette. This cassette utilizes 12 gears to keep the rations closer and pedaling action smoother up and down the cassette. Ultegra cassettes are made of steel to take on plenty of abuse and long miles.

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