2016 S-Works Stumpjumper FSR 650b

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We know full well that for many out there, the ultimate trail bike needs to possess the agility and responsiveness of a 650b trail bike. We tend to agree, which is why we’re proud to introduce the S-Works Stumpjumper FSR Carbon 650b. It reflects everything that we’ve learned over the years, and in our eyes, represents the pinnacle of trail performance. Starting at the carbon layup, it features our highest-end FACT 10m for an ultra-lightweight, strong, and stiff construction. The carbon molding process also allowed us to revolutionize how you carry your trail essentials with the all-new SWAT Door found at the down tube. This compartment will fit a tube, a tool, and pump without rattling or compromising the structural integrity of the frame. And when you add-in an aggressive, trail-eating geometry that features ridiculously short chainstays, a roomy top tube, a low bottom bracket, and a slacked out front end, our proprietary Rx Trail Tune at the shock, and a build spec that spares no expense, you have a bike that, without a doubt, is ready for anything on the trail.

FRAME FACT 10m carbon, Trail 650b Geometry, FACT IS carbon construction, M5 alloy chainstays, SWAT Door integration, fully enclosed internal cable routing, 142mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, front derailleur compatible w/ Taco Blade, 150mm travel
REAR SHOCK Custom FOX FLOAT Factory CTD, AUTOSAG, Rx Trail Tune, Boost Valve, Kashima coating, 197×47.6mm
FORK RockShox Pike RCT3 650b, Solo Air spring, 150mm travel, 2-stage compression adjust, rebound adjust, tapered steerer, 42mm offset, 15mm Maxle Ultimate thru-axle
HEADSET Hella Flush, 1-1/8" and 1-1/2" threadless, Campy style upper w/ 1-1/2" lower, cartridge bearings
STEM Syntace F109, 6-degree rise
HANDLEBARS Specialized FACT carbon, 8-degree backsweep, 6-degree upsweep, 25mm rise, 750mm, 31.8mm
GRIPS Specialized Sip Grip, light lock-on, half-waffle, S/M: regular thickness, L/XL: XL thickness
FRONT BRAKE Shimano XTR Trail, hydraulic disc, Ice-Tech metallic pads w/ fins
REAR BRAKE Shimano XTR Trail, hydraulic disc, Ice-Tech metallic pads w/ fins
BRAKE LEVERS Shimano XTR, carbon blade, I-spec compatible
REAR DERAILLEUR SRAM XX1, 11-speed
SHIFT LEVERS SRAM XX1, 11-speed, trigger
CASSETTE SRAM XX1, 11-speed, 10-42t
CHAIN SRAM PC-XX1, 11-speed, w/ PowerLink
CRANKSET S-Works, FACT carbon, 30T X-Sync ring, 104mm BCD spider
CHAINRINGS 30T
BOTTOM BRACKET SRAM, PF30, OS press-in bearings, sealed cartridge
PEDALS Nylon, CEN std., w/ toe clips
RIMS Roval Traverse SL 650b, carbon, disc, 30mm inner width, 24/28h
FRONT HUB Roval Traverse SL, 15mm thru-axle, 24h
REAR HUB Roval Traverse SL 142+, DT Swiss Star Ratchet, 54t engagement, SRAM XX1 XD driver body, 28h
SPOKES DT Swiss Revolution
FRONT TIRE Specialized Butcher Control, 60TPI, 2Bliss Ready, folding bead, 650bx2.3"
REAR TIRE Specialized Purgatory Control, 60TPI, 2Bliss Ready, folding bead, 650bx2.3"
INNER TUBES Standard, Presta valve
SADDLE Body Geometry Henge Expert, hollow Ti rails, 143mm
SEATPOST Command Post IRcc, cruiser control technology, micro-adjust height adjustable, alien head design, bottom mount cable routing, remote adjust SRL lever, 30.9mm, S: 100mm travel, M/L/XL: 125mm
SEAT BINDER Specialized, 7050 alloy, single bolt, 34.9mm