Aside from some slightly modified aesthetics and a 10g reduction in weight, the Shimano Dura-Ace Di2 FD-R9150 11-Speed Front Derailleur carries over the high functioning precision of its 9070 predecessor. While the new 9150 rear derailler gets all the attention for its mountain-inspired changes,...

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Shimano's new Dura-Ace Di2 RD-R9150 11-Speed Rear Derailleur boasts a sleek profile that practically hides from the wind and finally brings the Synchronized Shift functionality honed in the trail-focused XTR Di2 system onto the road. Enabling Synchronized Shift lets the Di2 system work its magic...

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As the rest of the industry scrambles to catch up, Shimano's Di2 groupsets continue to set the standard for precise electronic shifting with nearly endless customizability. The release of 9150 is the next evolution of Di2, bringing slightly updated aesthetics and even better shift functionality...

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It's hard to beat that giddy feeling of setting up your ride with Shimano's new Dura-Ace Di2 drivetrain, but there's always been the issue for those of us riding TT or triathlons. There's no question that we don't like opening up our dialed-in aero positioning to brake or shift on the outer bar,...

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Adding functionality and convenience to your Shimano Di2 drivetrain, the Dura-Ace Di2 SW-R150 Remote Satellite Shifters give you the ability to shift the rear derailleur in an upright position when you're resting and climbing. This is especially useful for preserving energy on long uphill grades...

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Across Dura-Ace 9100, Shimano made subtle, rather than monumental, shifts in design to improve a system that was already pretty damn good. Proving that mechanical drivetrains can--and still should--be improved, Shimano focused most of its attention on the derailleurs, making the biggest changes...

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We know Shimano's Dura-Ace groupset to be one of the fastest and lightest on the market. From what we've seen with Shimano, it can only get better. In their latest Dura-Ace Di2 line, we see the Dura-Ace FD-R9250 Front Derailleur as a small, lightweight component that packs a mean punch. It...

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Shimano's refinements of the latest Dura-Ace Di2 group impress upon us the brand's need for speed, reliability, and performance. This is the group where Ultegra receives trickle-down technology from, and what we would categorize as top-tier. In particular, the Dura-Ace RD-R9250 Di2 Rear...

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The Shimano Dura-Ace ST-9150 Di2 Shift/Brake Lever delivers quick, intuitive shifting to give us the confidence to tackle any race or training ride. It features a dedicated brake lever shape, contact point, dedicated shift panels, and an ergonomic shift lever position to keep our hands...

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Shimano embarks on a new journey with the Dura-Ace ST-9270 Di2 Shift/Brake System. Given the history of its Di2 shifting group, it goes without saying that this brake/shift lever brings new tech to the table that goes beyond their last model. This system supports the new 12-speed drivetrains, but...

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