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Item # SRM0411

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Item # SRM0411


The SRAM X0 Type 2 Rear Derailleur is the highest-end offering from SRAM to get the Type 2 treatment. It's worth looking at if you have trouble with dropped chains, but a roller-style chainguide doesn't fit with your light-and-efficient setup. SRAM incorporated a clutch mechanism into its Type 2 derailleurs to control chain tension and stabilize the rear derailleur cage; this limits chain slap and keeps the chain from derailing on technical trails.

Shimano's Shadow Plus design, which is engineered to produce a similar chain-stabilizing effect, preceded SRAM's Type 2 design in reaching the marketplace. However, Type 2 technology differs from its competition in a key way. Rather than opting for an adjustable friction band, SRAM put a Roller Bearing Clutch in their Type 2 derailleurs. The clutch comes pre-set from the factory to provide a certain amount of friction inside the derailleur cage pivot. This friction keeps the cage from bouncing up and down over rocky trails and de-tensioning the chain. Because it's pre-set at the factory, SRAM's Type 2 clutch can't be disengaged or adjusted like Shimano's Shadow Plus mechanism. That being said, the Type 2 clutch is self-lubricating, and there are no external moving parts, so unlike the Shadow Plus system, it's designed to be maintenance-free. The Type 2 mechanism adds about 30 grams to the weight of a standard X0 rear derailleur.

A unique feature of the Type 2 system is that its Cage Lock technology allows you, with the push of a button, to lock the derailleur cage in an extended position. While it may not be a game changer, this is a nice feature that allows for easier-than-ever rear wheel installation. There's no need to worry if you accidentally leave the derailleur cage locked; it will return to normal operating position when you hit your first bump. Another benefit of the Cage Lock is that it makes chain installation a bit easier; you don't have to maintain a consistent pulling force on the cage while joining the two chain ends.

SRAM's Exact Actuation Technology facilitates consistent shifting through all gears, including the 36-tooth rear cogs being produced for 29ers. SRAM uses sealed cartridge bearings in the pulleys of the X0 Type 2 for smooth action and long-term durability. Lower-end SRAM models use bushings in place of these bearings. The outer plate of the X0 Type 2 cage is made of carbon fiber to shed weight. The SRAM X0 Type 2 Rear Derailleur comes in Black/red and in 3 cage lengths: Short, Medium, and Long. SRAM suggests the short cage for downhill use, Medium cage for 2 x 10 set-ups, and Long cage for 3 x 10 set-ups.

Tech Specs

[body] aluminum, [outer cage plate] carbon fiber
36 t
Compatible Components:
Recommended Use:
cross country, all-mountain, downhill
Manufacturer Warranty:
2 years

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SRAM X0 Type 2 Rear Derailleur

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Here's what others have to say...

What will it happend if I used long cage in 2x10?, looks like you don't have any medium cage left.

Responded on

It will work just fine. It's only a problem if you use a shorter cage than you're supposed to. The advantage to a medium cage over a long cage (if compatible with your setup) is that the chain will bounce less.

5 5

X9 Type 2

  • Familiarity: I've put it through the wringer

Rode 40 miles non-stop. I totally missed the dropping gears through rooty sections, while searching for the gear I was bounced out of, wrecking my cadence. I totally missed the noisey derailleur, chain slap, and gear straddling. Changed my ride to faster, able to power-down and not glitch in the power stroke. Lightning fast XO shifts are beating my free hub into next shift, creating slack - I9 hubs are needed to keep up with this quick shift

5 5

Great mountain bike RD

After installing and riding for about 30 miles I adjusted the cables and the XO has been flawless. I have it on a 1992 Cannondale M1000.

5 5

Scram XO Derailleur

Really nice derailleur, very light, and shifts really well. Comes in different colors.

5 5

Must have

I used this in combo with my SRAM XX1 crankset to make a super slick 1x10 setup on my Santa Cruz Highball. This derailleur is a must because it removes chatter and shifts on a dime. Buy this, a XX1 crankset, an 11-speed chain and you have yourself a 1x10 setup that costs hundreds less than the dedicated SRAM XX1 1x11.

Must have
Responded on

So you are running an 11 speed chain with a 10 speed cassette???

Responded on

Yes, I am and it works perfectly. It doesn't rub from being too narrow or skip around

Responded on

You can actually run 10 speed chains on the xx1 cranks to make the same setup. So really all you need is XX1 style chain ring, Type 2 derailer or even Shimano Shadow Plus and your golden! No chain drops!