Other than the Double Tap shift lever, perhaps no component in the SRAM road component family represents a greater departure from familiar mechanical territory than the Force Rear Derailleur. It's a

SRAM Force Rear Derailleur - 10 Speed, Short Cage, Black
- Exact Actuation Ratio delivers 3mm motion per shift across the entire cassette
- Must be used with SRAM Double Tap shifter
- Exact Actuation Ratio delivers 3mm motion per shift across the entire cassette
- Works with standard or compact 10-speed road cranks
- Cage Length: Short
Other than the Double Tap shift lever, perhaps no component in the SRAM road component family represents a greater departure from familiar mechanical territory than the Force Rear Derailleur. It's a bit of a technical story, but it's one whose benefits are evident the first time you run through your gears: You'll experience crisper, more precise shifting than you've ever felt before. Virtually every rear derailleur you've ever used pre-Force is built around 3 springs: The B-position spring, the pivot spring, and the parallelogram spring. What SRAM learned as they developed their rear derailleur, though, was that a 2-spring system built with more powerful springs outperforms the 3-spring standard. By eliminating the B-position spring and fixing your derailleur's B-position in place, the Force derailleur better manages the gap between the guide pulley and your cassette cog. The stout strength of the springs is directly related to the inherent mechanical advantage of the Force Double Tap shifter. Strength requires strength, and it results in punchy, quick shifts. The other half of the story is SRAM's Exact Actuation technology. Most rear derailleurs pull slightly different amounts of cable depending on which end of the gearing spectrum they're in. You can feel this when the first few cogs of your non-SRAM system shift perfectly, and then the shifts are off. With Exact Actuation, the Force derailleur pulls the same amount of cable (and thereby moves the derailleur the same distance) with every click, no matter what gear you're in. Each click gives you a predictable 3mm of cable pull. Thanks to the 2-spring design and Exact Actuation, the Force rear derailleur is perhaps the most user-friendly derailleur we've ever seen. SRAM refers to it as "a more tolerant" derailleur, and practically speaking it means that it's easier and quicker to set up, it stays in adjustment longer, and it provides more accurate shifting even if you're riding a bike with thicker-than-normal dr...
Country USA
Brand SRAM
Manufacturer SRAM
Binding Apparel
ItemPartNumber RDR101
Model 143753
Warranty Limited Warranty
Color Black
ReleaseDate 2009-11-11
Size One Size
UnitCount 1
UPCs 400018965887
EANs 7108456174238

Country	USA
Brand	SRAM
Manufacturer	SRAM
Binding	Apparel
ItemPartNumber	RDR101
Model	143753
Warranty	Limited Warranty
Color	Black
ReleaseDate	2009-11-11
Size	One Size
UnitCount	1
UPCs	400018965887
EANs	7108456174238

SRAM Force Rear Derailleur - 10 Speed, Short Cage, Black

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