S-Works Stumpjumper Carbon 29 SRAM
Part No.  

S-Works Stumpjumper Carbon 29 SRAM

Part No.  37964
load-spinner
This top-of-the-line S-Works Stumpjumper HT features all-out XC performace and speed with a SRAM XX One drivetrain, Magura MTB brakes and 80mm-travel RockShox SID World Cup Brain fork.
  • Custom RockShox SID World Cup 29 fork with Specialized Brain inertia-valve damping has 90mm of air-sprung travel (80mm 15.5"), Brain Fade adjust (top mount) and a carbon steerer tube to create the most efficient and supple cross-country fork available
  • FACT IS 11m carbon HT frame with 29er geometry is engineered with an S-Works carbon layup, a tapered head tube, hollow carbon dropouts, PF30 BB and PM 140 rear brake for the lightest race-ready design
  • S-Works Fast Trak 29 2.0", 2Bliss ready front tire features dual-compound rubber delivering exceptional speed and traction, while minimizing rotating weight
  • Magura MT8 hydraulic disc brakes with a carbon master cylinder, carbon lever blade and reach adjust provide consistent and reliable stopping power
  • Roval Control SL 29 wheelset features carbon rims, carbon hubs with alloy flanges, DT Swiss Star Ratchet, and Ti quick releases for premium, lightweight XC performance
  • Specialized FACT OSBB, PF30, carbon crankset with 34T single chainring, ceramic bearings is paired with a SRAM spider and ring for ultimate power transfer
  • SRAM's XX One 11-speed rear derailleur, shifters and cassette offer the pinnacle in high-performance endurance racing componentry. The 1x11 design eliminates the front derailleur and shifter saving additional weight with a huge gear range
  • The World-Championship-winning SRAM XX Twist shifter are the lightest and fastest way to change gears, new 11-speed
  • All-new SRAM XX One 11-speed cassette features 10-42 cogs

Technical Specifications

FRAMESET
SEAT BINDER Specialized 7050 hard anodized alloy, 32.6mm, single bolt
HEADSET 1-1/8 and 1-1/2"" threadless, Campy style upper with 1-1/2"" lower, cartridge bearings
FRAME FACT 11m carbon, 29"" geometry, tapered HT, carbon PF30 BB, hollow carbon dropouts, replaceable alloy rear derailleur hanger
WHEELS
FRONT HUB Roval Control SL 29, carbon/alloy, OS 28mm end caps, QR, 32h
REAR HUB Roval Control SL 29, DT Swiss Star Ratchet, QR, 32h
INNER TUBES Ultralight presta
SPOKES DT Swiss Revolution 2.0/1.5/2.0mm stainless, DT Aerolite, bladed, painted
RIMS Roval Control SL 29, carbon disc, 28mm wide, 32h
FRONT TIRE S-Works Fast Trak, 2Bliss Ready, 120 TPI, aramid bead, 29x2.0""
REAR TIRE S-Works Fast Trak, 2Bliss Ready, 120 TPI, aramid bead, 29x2.0""
DRIVETRAIN
BOTTOM BRACKET SRAM PF30, OS press-in bearing, sealed cartridge
CHAIN SRAM XX1, 11-speed, hollow plates/pins, nickel finish
CRANKSET S-Works OS carbon, custom spider for SRAM XX1, 11-speed XC single ring, 34T, 15.5"": 170mm, Others: 175mm
CASSETTE SRAM XX1, 11-speed, 10-42
SHIFT LEVERS SRAM XX1, 11-speed, twist
CHAINRINGS 34T installed, 32T in spare parts box
REAR DERAILLEUR SRAM XX1, 11-speed
COCKPIT
SADDLE Body Geometry Phenom Expert, hollow TI rails, 143mm
SEATPOST Specialized carbon, one bolt, 27.2mm, 15.5/17.5"": 350mm, Others: 400mm
GRIPS Twist grip
HANDLEBARS S-Works XC Carbon flat bar, uni-directional carbon, 680mm wide, 8-degree backsweep, 31.8mm
STEM Syntace F109, 6-degree rise, 31.8mm clamp, 15: 75mm, 17.5: 90mm, 19: 100mm, 21: 110mm
BRAKES
BRAKE LEVERS Magura MT8, carbon master cylinder/lever blade, hollow lever pivot, reach adj.
FRONT BRAKE Magura MT8, hydraulic disc, Hi Friction pad, alloy caliper, Storm SL rotor, 15.5/17.5: 160mm, 19/21:180mm rotor
REAR BRAKE Magura MT8, hydraulic disc, Hi Friction pad, alloy caliper, Storm SL rotor, 160mm rotor
ACCESSORIES
PEDALS Resin Test Ride Pedals with toe clips, CEN std.
SUSPENSION
FORK Custom RockShox SID World Cup 29 Brain, inertia valve damper, Solo air spring, tapered carbon crown/steerer, top-mount Brain Fade and rebound adj., QR, 15.5"": 80mm, 17.5/19/21"": 90mm travel

Geometry

Geometry Chart

- Geometry

 
Stem Length 75mm 90mm 105mm 105mm
Crank Length 170mm 175mm 175mm 175mm
Seatpost Length 350mm 350mm 400mm 400mm
Handlebar Width 680mm 680mm 680mm 680mm
Reach 394mm 410.5mm 430mm 450mm
Stack 594mm 612mm 627mm 641mm
Chainstay Length 435mm 435mm 435mm 435mm
Top Tube Length (Actual) 558mm 570mm 590mm 614mm
Ground-Top 898mm 916mm 931mm 945mm
Top Tube Length (Horizontal) 570mm 592mm 615mm 640mm
Head Tube Angle - Low Setting 71.5° 71.5° 71.5° 71.5°
Standover Height 760mm 810mm 830mm 870mm
Wheel Base 1049mm 1072mm 1106mm 1132mm
Head Tube Height 90mm 100mm 115mm 130mm
Seat Tube Angle (Actual) - Low Setting 73.5° 73.5° 73.5° 73.5°
Seat Tube Length - Center to Top 394mm 445mm 483mm 533mm
Bottom Bracket Height - Low Setting 304mm 304mm 304mm 304mm

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