2015 Ski Guide2015 Ski Guide

Description

Like buying last year's Dura-Ace.

As 105 adopts all of Shimano's best features year after year, the latest 105 components eclipse Dura-Ace and Ultegra from just a few years ago that, at the time, cost twice what today's 105 does. Case in point–the Shimano 105 RD-5701 Rear Derailleur.

The pivots on the body of the 5701 derailleur are wider than the previous model, and are thus better to resist flexing and twisting when you shift under load. That's the secret sauce for better, faster shifting. As always with 105, this is a trickle-down design from Ultegra. So that ultimately means that it will work with 6700 shifters without problem. It will also work with older Ultegra (6600 and SL) shifters. 

Compatibility aside, the differences between this derailleur and a Dura-Ace changer are many. The most obvious is that this 105 derailleur isn't as light. There's more metal, and the pulley cage is made from aluminum rather than carbon fiber. Also, the pulleys run on bushings instead of bearings. The cage design, along with the pulley cage placement, allows this derailleur to work with cogs as tall as 28 teeth -- nice for those who want a really low gear, yet still have fast shifting.

The Shimano 105 RD-5701 Rear Derailleur is designed to work with double chainrings and 10-speed cassettes. The total chainwrap capacity is 33 teeth, The limit screws are on the back of the derailleur, just above the barrel-adjuster, and can be accessed from the rear.

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Here's what others have to say...

5 5

Sometimes cheaper is better!

  • Familiarity: I've put it through the wringer

To me the RD is a workhorse. I live in the mountains so climbing is as natural as pedaling. I mainly stay in the big chainring upfront so the FD gets limited use unless I am really needing to gear down to climb. The cassette gets a workout and a wearing to say the least. I have never had a issue with the RD for the most part other than eventually it gets a bit out of tune but that is a simple adjustment fix. I highly like the 105 RD and you will too unless you just need to brag about your fully equipped DA bike!

5 5

Classic Shimano Quality

Crispy shifts and years of faithful service... what more can one say? No Ultegra or Dura Ace, but for the money... I will stick with 105.