Shimano Ultegra Di2 RD-6770 Rear Derailleur - Road Bike Shop

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Shimano 105 RD-5800 11-Speed Rear Derailleur Shimano 105 RD-5800 11-Speed Rear Derailleur

While Dura-Ace is known as the top-tier in the Shimano component line, Ultegra has been known as the workhorse and in some cases the more durable of the two -- it reaps the benefits of technological developments of Dura-Ace without the extra carbon bling. Now, the trickle-down is trickling even...

Price: $59.99

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Shimano Dura-Ace Di2 RD-9070 Rear Derailleur Shimano Dura-Ace Di2 RD-9070 Rear Derailleur

It's hard to believe that electronic shifting has been in our vocabulary, let alone on our bikes, for less than half a decade. And while electronic perfection has now become the en-vogue aspiration point for engineers, it's easy to forget that Shimano got the bandwagon kick-started. We still...

Price: $699.95
Sale Price: $559.99

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Shimano Dura-Ace RD-9000 11-Speed Rear Derailleur Shimano Dura-Ace RD-9000 11-Speed Rear Derailleur

While 11-speeds are amazing, to be perfectly honest, we'd be just as excited to have the Shimano Dura-Ace RD-9000 11-Speed Rear Derailleur in an 8-speed iteration. The reason is simple -- the RD-9000 is the physical form of everything that we love about Dura-Ace. Persistent innovation, superior...

Price: $219.95
Sale Price: $194.00

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Shimano Ultegra 6800 Rear Derailleur Shimano Ultegra 6800 Rear Derailleur

Many of the greatest refinements to Shimano's new Ultegra 6800 groupset were reserved for the rear derailleur. The new 6800 mechanism is the result of a complete overhaul, as it's more compact and lightweight than 6700, and it now operates using a redesigned spring mechanism that works to ensure...

Price: $89.95
Sale Price: $65.95

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Shimano Ultegra Di2 FD-6870 Front Derailleur Shimano Ultegra Di2 FD-6870 Front Derailleur

The Ultegra Di2 FD-6870 Front Derailleur features a self-trimming function, which basically means that the internal CPU knows what gear your bike is in and thus where your front derailleur needs to be in relation to the chain. This works in conjunction with the "programmed motion" of the...

Price: $259.95
Sale Price: $233.95

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Shimano Ultegra Di2 RD-6870 Rear Derailleur Shimano Ultegra Di2 RD-6870 Rear Derailleur

Even though Shimano's Dura-Ace Di2 remains steadfastly at the top of the podium, Shimano's Ultegra Di2 6870 Rear Derailleur is sneaking in to steal the show. While many lower-tier brand name groupsets seem to muddy the waters of their higher-end counterparts, so to speak, we don't feel that's the...

Price: $279.95
Sale Price: $209.99

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Shimano Ultegra Di2 ST-6770 STI Shifters Shimano Ultegra Di2 ST-6770 STI Shifters

True enough, Dura-Ace Di2 made a big splash when it was introduced. But Shimano's unveiling of Ultegra Di2 has us perhaps even more excited. Any skepticism we may have had before the original electronic release is long gone. After riding it we know Shimano's system works, and we know that it's a...

Price: $444.95
Sale Price: $134.99

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Shimano XTR RD-M9000 Rear Derailleur Shimano XTR RD-M9000 Rear Derailleur

The rear derailleur: It's the first place most eyes dart when scoping out a new ride. It is the waving flag that signals to the world the machine's degree of mechanical supremacy. And, in the case of the all-new Shimano XTR RD-M9000 XTR Rear Derailleur, the statement doesn't get much more clear:...

Price: $239.99

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Shimano XTR Shadow Plus RD-M986 Rear Derailleur Shimano XTR Shadow Plus RD-M986 Rear Derailleur

The smooth action of Shimano's XTR Rear Derailleur has always been a contributing factor to XTR's legendary status. But the Shadow Plus RD-M986 packs a new feature that's rewriting drivetrain performance -- a motion damping switch that controls pulley cage fore and aft movement.This means you can...

Price: $199.95
Sale Price: $139.99

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Shimano ZEE RD-M640 Shadow Plus Rear Derailleur Shimano ZEE RD-M640 Shadow Plus Rear Derailleur

Significantly reduce chain noise and stabilize drivetrain slap with Shimano's short-cage ZEE RD-M640 Shadow Plus 10-speed Rear Derailleur. Developed for gravity riders who prioritize value as high as performance, the sub-hundred dollar ZEE RD-M640 shares Shimano's clutch technology and dimensions...

Price: $89.95
Sale Price: $71.95

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