Specialized S-Works Stumpjumper FSR 29 Frame

Specialized S-Works Stumpjumper FSR 29 Frame
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Who says you can't buy speed? The impressively low weight and proven performance of Specialized's S-Works Stumpjumper FSR Carbon 29 frame may make it the ultimate trail bike for smoking your buddies up and down. This full-carbon frame features 130mm of Brain-controlled, FSR travel in the rear. It delivers the supreme combo of climbing efficiency and hard-charging downhill confidence. In true Specialized fashion, the geometry is dialed, it absolutely rails corners, and it'll take fat, 2.3-inch tires no problem. Other key info is that it's equipped with a tapered head tube, PF30 BB, and a 142x12mm rear end for stiffness. You even get an internally routed Command Post dropper post to get you started off right.

Specialized Brain

The Brain is the mastermind behind Specialized's ultra-efficient suspension designs. It automatically turns the suspension "on" and "off" almost instantaneously to always provide the perfect ride. It consists of an inertia valve mounted inside a near-vertical cylinder near the rear axle. The inertia valve controls the shock's ability to compress; the resulting system responds to terrain input (bumps and dips), but not to rider input (pedaling). Forces from the ground activate the inertia valve inside the Brain, which opens and allows the shock to absorb bumps. All Brains also feature Brain Fade technology, which by using the blue dial on top of the Brain cylinder, you can control the breakaway threshold of the inertia valve in your Brain from ultra rigid and efficient to super plush and active and anywhere in between. So you can set up your bike to climb and sprint like a hardtail and still absorb bumps for maximum control over rough terrain; the ideal combination for parlaying all your hard efforts into off-road speed.

Specialized's FACT (Functional Advanced Composite Technology) carbon frames and components are made from the finest materials and utilize a unique manufacturing process that creates amazing durability, awesome efficiency and super-low weight.


Frame Specialized S-Works FSR FACT 11m-carbon
Rear Shock Fox/Specialized Remote Brain, 130mm-travel w/Brain Fade, AutoSag and Kashima coating
Seatpost Specialized Command Post IR, adjustable height w/remote
Accessories & Extras Chain tensioner

* Subject to change without notice.