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  • SRAM X9 9 Speed Rear Mech
  • SRAM X9 9 Speed Rear Mech
NOW$70.49
  • RRP$112.49
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SRAM X9 Rear Derailleurs 9sp

The X.9 line-up features the same robust qualities and technologies as the X.0 system. If you are looking for greatness in a refined high-performance package then look no further, choose X.9!

1:1 Actuation™ is simply superior. The very nature of its design makes it this way. For every 1 unit of cable pulled or released, the derailleur moves the same amount. Simple? Yes. Dependable and tolerant? The best. Ease of set-up and adjustment? Easiest. This is why the top athletes in the MTB world prefer SRAM. From the mud infested Cross Country of the Sea Otter Classic, to the rocks and roots of a Fort William World Cup Downhill the 1:1 actuation stays precise and fluid. 1:1 Actuation precision is why you find SRAM on the elite bikes from cross-country flyers to full gravity bombers.

Direct Route Technology™:We've been singing the praises of this technology for years. Cut out the middleman, go direct, and speak to the actuation mechanism itself. Direct route technology is light, responsive, precise and impervious to cable housing damage. We have simply reduced the friction by routing the cable directly to the actuation mechanism and less effort means you save the extra push for your ride.

Matchmaker Compatible:Avid Matchmaker compatibility takes your cockpit to a new level of personal customization while losing grams and clutter. Simply mount your triggers and brake levers using one shared clamp with matchmaker hardware. Using a Rockshox pushloc? You can mount that too.

Zero Loss Travel™ defines the degrees of "lost" travel before the cable engages the shifting pawl. The shifting pawl is always engaged with Zero Loss Travel so the moment you push is the moment the shift starts. It is one important characteristic that makes our X.0 and X.9 triggers so impressive. With zero degrees of "lost travel", 1:1 actuation ratio, and SRAM's constant distance geometry, the distinction in our shift is like no other. Quick and calculated. Fast and precise.

SRAM X9 Rear Derailleurs 9sp Features:

  • Stylish and Strong! A forged 6061 aluminium B-Knuckle improves stiffness while the X.9 styling exudes our commitment to quality. X.9 is now available in three cage sizes.
  • World Cup Proven Composite Cage
  • Outside Facing Limit Screws - Intuitive Adjustment
  • Sealed Bearing Upper Pulley
  • Di.R.T: Direct Route Technology™
  • 1:1 Actuation Ratio™ Superior Shift Quality
  • Weight: Short 212g / Medium 227g / Long 230g

Buy SRAM X9 Rear Derailleurs 9sp from Chain Reaction Cycles, the worlds largest online bicycle store.

  • Colour: Black
  • Size: Long Cage, Short Cage, Medium Cage
  • Speed: 9 Speed
Rated 4.1 out of 5 by 56 reviewers.
Rated 4 out of 5 great rear mech it's a little difficult (for me) to set it up, but once done, the shift is fast and very well. short cage is really good for DH use. 27 March 2014
Rated 5 out of 5 by Superior quality Bought the x9 to replace my shimano xt . After constantly having to adjust and fine tune the xt (just about after every ride) the SRAM x9 is so much less hassel! Once set up I have had no drama from it, no need to fine tune after every ride or at all for that matter. Floor less shifting even on the roughest terrain. SRAM have got mtb shifters and derailleurs down packed! SRAM yes Shima No! 08 March 2014
Rated 4 out of 5 by Perfect for Dh Bikes Basically the only rear mech I ride since I focus on DH riding, Its good price strong and shift decent enough, I find it pretty smooth actually nothing crazy but gets the job done good and that's what counts. 26 February 2014
Rated 4 out of 5 by buon rapporto prezzo prestazioni Cambio niente male. Non ho molti termini di paragone, forse è un po' debole alle "ramate" che si beccano in giro. Lo ricomprerei. 25 February 2014
Rated 3 out of 5 by Very weak I installed this on my DH bike and didn't set the grub screws quite right, needless to say, it ripped the mech apart. the mech hanger however was not even damaged (I'm sure that's supposed to break first...) 03 February 2014
Rated 5 out of 5 by excellent product, not to expensive good derailleur, not to expensive and often outlasts more expensive versions 06 January 2014
Rated 4 out of 5 by Чёткость переключения Когда купил этот переключатель (коротколапый), не мог нарадоваться, по сравнению с 9-ти скоростной Шимано, разница очень сильная, в лучшую сторону. Но вскоре произошла неприятность: после очень сильной грязи в переключателе закусило цепь и его вывернуло наизнанку... Я в шоке. После правки рамок молотком и разгинания шарниров, выяснилось, что погнулся и лайтовый алю-болтик крепления к "петуху" - выточил такой же у токаря, поставил и поехал. Чёткость переключения уже не такая, но он работает даже после такого краша. 05 December 2013
Rated 5 out of 5 by Always loved SRAM - just one of my many SRAM mech purchases I bought this simply to just upgrade the beaten up X7 on my Foes as that was a medium cage and had seen better days. Ever since my first SRAM gear set I have always preferred the SRAM offering. And this nice little short cage mech was just little bit of a finishing touch to my DH rig. Really like the new cable routing. 03 November 2013
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Answer: 
As a general rule, the number of chain rings on your crank will determine the length of cage you should use
For a single ring system, Short cage is sufficient.
For a double ring system you can use Medium cage.
For a triple ring system you should opt for a Long cage.

There are some combinations of chain ring and cassette where you can use a Medium cage on a triple to get better trail clearance, and others where you will need to use a Long cage on a double to properly accommodate the cassette but in the majority of cases the above guide is fine. If in any doubt or to double check against your exact setup, feel free to contact our Tech team for further help - http://www.chainreactioncycles.com/...
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Answer: 
The X9 9 speed derailleur it is listed as running fine with up to a 34t cassette ratio size as per page 40 in the below technical spec.

http://cdn.sram.com/cdn/farfuture/Y...

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I tried fitting X9 rear deraillure to shimano shifters. Lost two gears either way. Any ideas?
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Answer: 
Due to variation in cable pull ratio; Shimano and SRAM rear shifter/derailleur's are not cross compatible.

The derailleur suggested below would be a good alternative.
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