S-Works Stumpjumper
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S-Works Stumpjumper

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S-Works Stumpjumper
Technical Specifications
Uncompromisingly light and brutally efficient, the S-Works Stumpjumper HT is a pure cross-country racing machine.
  • Custom Avid XX R magnesium body brakes feature tool-free reach adjust, alloy-backed pads, and carbon levers with titanium hardware for ultra light and powerful braking control
  • Light and lean FACT 11m carbon HT frame brings its best to the mountain with a stiff, tapered head tube, carbon drive-side dropout, and oversized BB for unsurpassed strength-to-weight
  • Specialized FACT OSBB carbon crankset with ceramic bearings is paired with a SRAM XX spider and 39/26t rings to create market-leading stiffness-to-weight for the ultimate power transfer
  • Specialized S90 Future Shock fork with 90mm of Brain-regulated travel and rebound adjust is supported by a stiff carbon 1-1/8 to 1.5" crown/steerer assembly for optimized steering precision
  • Roval Control SL XC wheelset, newly revamped for increased stiffness with oversized axle, DT Aerolite spokes, and Ti quick releases, provides all the stiffness you need to dominate the XC race course
  • These two world-class and featherlight 2Bliss Ready tires work together for maximum speed and control in hardpack or intermediate conditions: S-Works Fast Trak LK 2.0" front, S-Works Renegade 1.9" rear

Technical Specifications

CHAIN SRAM PC-1090, 10-speed
BOTTOM BRACKET S-Works OS, integrated for PF-30
CRANKSET S-Works OS carbon crank, 10-speed XC double, custom XX spider/rings, S: 170mm, others: 175mm
FRONT DERAILLEUR SRAM XX, S3 direct mount for DMD, bottom pull
SHIFT LEVERS SRAM XX, 10-speed, carbon trigger, Match Maker clamp
CASSETTE SRAM XX, 10-speed, 11-36t
CHAINRINGS 39A x 26A, 4-bolt
REAR DERAILLEUR SRAM XX, 10-speed, mid cage
FORK Specialized Future Shock S90, single sided air spring and interia valve damper, 1 1/2-1 1/8"" carbon steer/crown, Brain Fade, rebound adj., 90mm travel
SADDLE Specialized BG Phenom Expert, Ti rails, 143mm width
SEATPOST S-Works Carbon, 27.2mm, single-bolt head, 15.5/17.5"": 350mm, others: 400mm
STEM Syntace F109, 6 degree rise, 31.8mm clamp
HANDLEBARS S-Works XC Carbon flat bar, uni-directional carbon, 660mm wide, 8 degree back sweep, 31.8mm
GRIPS Specialized lock-on, S/M: Grappler, Other: Rocca
FRONT HUB Roval Control SL, carbon/alloy, OS 28mm end caps, QR, 24h
REAR HUB Roval Control SL, DT Star Ratchet, 28h
INNER TUBES Ultralight presta valve
SPOKES DT Swiss Revolution 2.0/1.5/2.0mm stainless, DT Aerolite, bladed, painted
RIMS Roval Control SL, carbon disc, 24mm, 24/28h
FRONT TIRE S-Works Fast Trak LK, 120 TPI, 2Bliss ready aramid bead, dual compound, 26x2.0""
REAR TIRE S-Works Renegade, 120 TPI, 2Bliss ready aramid bead, dual compound, 26x1.9""
FRONT BRAKE Custom Avid XX R World Cup, tool-less reach adj., alloy backed semi-metallic pads, magnesium caliper and lever body w/ carbon blade, ti hardware, 160mm rotor
BRAKE LEVERS Custom Avid XX World Cup R hydraulic, tool-less reach adjust, magnesium body, carbon lever
REAR BRAKE Custom Avid XX R World Cup, tool-less reach adj., alloy backed semi-metallic pads, magnesium caliper and lever body w/ carbon blade, ti hardware, 15.5/17.5"": 140mm, 19/21"": 160mm rotor
PEDALS Resin Test Ride Pedals with toe clips, CEN std.
HEADSET 1-1/8 and 1.5"" Threadless, Campy style upper with 1.5"" lower, cartridge bearings
SEAT BINDER 32.6mm clamp, one bolt for carbon frame/post
FRAME FACT 11m carbon, FACT IS construction, tapered HT, carbon PF-30 BB, DMD, hollow carbon dropouts, replaceable alloy derailleur hanger


Geometry Chart

Stumpjumper - Geometry

  15.5 17.5 19 21
Crank Length 170mm 175mm 175mm 175mm
Stem Length 75mm 90mm 105mm 105mm
Seatpost Length 350mm 350mm 400mm 400mm
Handlebar Width 660mm 660mm 660mm 660mm
Reach 378mm 407mm 436mm 450mm
Stack 556mm 580mm 603mm 625mm
Chainstay Length 424mm 424mm 424mm 424mm
Top Tube Length (Actual) 538mm 562mm 591mm 615mm
Ground-Top 860mm 884mm 907mm 929mm
Top Tube Length (Horizontal) 555mm 585mm 615mm 640mm
Head Tube Angle - Low Setting 70.5° 70.5° 70.5° 70.5°
Standover Height 770mm 800mm 830mm 870mm
Head Tube Height 120mm 130mm 145mm 165mm
Wheel Base 1064mm 1068mm 1109mm 1129mm
Seat Tube Angle (Actual) - Low Setting 73° 73° 73° 73°
Seat Tube Length - Center to Top 394mm 445mm 483mm 533mm
Bottom Bracket Height - Low Setting 304mm 304mm 304mm 304mm