Shimano's 105 RD-R7000 Rear Derailleur is a budget-friendly option that offers a smooth ride. As far as 11-speed derailleurs go, this one delivers performance and worry-free shifting for confidence riding up and back down the mountain. Put your mind at ease and ride with your happy face on.

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Shimano brings its ultra-reliable electronic shifting to the masses with the 105 RD-R7150 Di2 12-Speed Rear Derailleur. Pulling together all of the features we've come to love from their Dura-Ace and Ultegra Di2 road cycling systems, Shimano has created a low-profile rear derailleur that we can...

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Comfortably smooth and intuitive auto-shifting rear derailleurKeep your focus and enjoy comfortably smooth pedaling with the inspiring and intuitive automatic shifting of the SHIMANO CUES RD-U6050 rear derailleur.

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Comfortably smooth and intuitive auto-shifting rear derailleurKeep your focus and enjoy comfortably smooth pedaling with the inspiring and intuitive automatic shifting of the SHIMANO CUES RD-U6070 rear derailleur.

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System efficiency continues to drive Shimano's innovation, and it's apparent in the new Deore 12-speed rear derailleur. Taking a quieter approach to trail sessions, Shimano uses Shadow RD+ technology, which stabilizes the chain to reduce slap, and more importantly, chain drop. With less tension...

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Over time derailleur pulleys wear out. Either the bearings go bad, or the teeth wear down enough to negatively affect shifting performance. If your bearings are feeling notchy, or the pulley teeth have rounded out, it's in your best interest to replace the pulleys to get the most out of your...

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A brake's primary job is to stop, so we typically consider any technology that makes it better at that an upgrade. Shimano's Dura-Ace BR-9110 Direct Mount Brake Calipers do just that, widening the window for modulation and increasing total stopping power. Those properties amount to a great big...

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Shimano's 12-speed R9200 Dura-Ace series delivers top-of-the-line technology for smooth operation and a fast drivetrain. In particular, the Dura-Ace BR-9200 Brake Caliper stands out as one that delivers consistent power distribution and reliability for the best on-bike experience possible. And,...

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Shimano's Dura-Ace BR-9200 Brake Caliper Set is part of the brand's refined Dura-Ace line for their self-proclaimed fastest drivetrains to date. While the drive behind this series centers around speed, we want to focus on the Dura-Ace BR-9200 Brake Caliper Set as an option that enables a fast...

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When we're faced with endless rollers, arduous climbs, and victorious descents, we might be asking for more stopping power. Thankfully, that's where the Dura-Ace BR-R9270 Disc Brake Caliper comes into play. This caliper is built to handle tight switchbacks and steep sections with better...

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