Stumpjumper 29 SS
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Stumpjumper 29 SS

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Stumpjumper 29 SS
Technical Specifications
With enough years of experience under its belt to merit a podium finish every time, the Stumpjumper Hardtail is second only to its S-Works sibling when it comes to cross-country speed. Like the riders who hammer it, the Stumpjumper HT is lean, strong and exceedingly efficient, with an incredibly lightweight, high performance frame and spec combination. Now available in dedicated singlespeed and multi-speed models, with a full range of 26" and 29" versions.
  • Fox F29RL 90mm air-sprung fork with rebound/compression adjust, lockout and v-brake bosses is everything you need for this true to the trails 29er
  • Sweet looking singlespeed Stumpjumper HT 29er frame with curved top tube and eccentric bottom bracket is also sweet riding due to its M5 manipulated alloy construction and race-optimized 29" geometry
  • 9mm thru-axle front hub with hi/lo flanges and 24/28mm end caps for increased tracking strength and multi-fork compatibility, along with an efficient DT Swiss 10mm thru-axle singlespeed rear hub with cassette spacers

Technical Specifications

CHAIN SRAM PC-971, 9-speed w/Power Link
CRANKSET Stylo SS, S:175mm, others:180mm, 32T
CASSETTE Single speed specific, wide-based, heat-treated Cr-Mo, 20t
FORK Fox F29RL, 90mm, compression and rebound adj. w/ LO, 1 1/8"" alloy steerer
FRONT HUB Specialized Hi Lo disc, CNC flange, sealed cartridge bearing, 9mm DT RWS, alloy QR, 28h
REAR HUB Custom DT Swiss 240S, single speed w/ 10mm RWS thru axle
INNER TUBES Ultralight presta valve
SPOKES DT Swiss 1.8mm stainless
FRONT TIRE S-Works Fast Trak LK, 29x2.0"", 120 TPI, tubeless ready aramid bead, dual compound
RIMS DT Swiss X450SL, 29"" rim, 24mm w/ eyelets, 32h
REAR TIRE S-Works Fast Trak LK, 29x2.0"", 120 TPI, tubeless ready aramid bead, dual compound
SADDLE Specialized Phenom, hollow Cr-Mo rails, thin foam, S/M: 130mm, L/XL: 143mm
SEATPOST 2014 butted alloy, single bolt setback, 30.9mm
STEM 3D forged alloy, adjustable rise, 31.8mm clamp
HANDLEBARS Specialized XC flat, 2014 butted alloy, 680mm wide, 8 degree backsweep,
GRIPS Specialized waffle lock on grip (15.5) Specialized Thick lock on grip (others)
FRONT BRAKE Custom Avid Elixir R SL, alloy backed organic pads, 160mm rotor
BRAKE LEVERS Custom Avid Elixir R SL Hydraulic, tool-less adj. reach
REAR BRAKE Custom Avid Elixir R SL, alloy backed organic pads, 160mm rotor
HEADSET Campy style cartridge bearings for integrated alloy HT
SEAT BINDER 7050 hard annodized alloy collar w/bolt, 34.9mm clamp ID
FRAME M5 manipulated alloy frame, 29"" geometry, curved TT, ECBB-light eccentric bottom bracket, disc only, vertical dropouts


Geometry Chart

- Geometry

  15.5 17.5 19 21 23
Crank Length 175mm 180mm 180mm 180mm 180mm
Stem Length 75mm 90mm 105mm 105mm 105mm
Seatpost Length 350mm 350mm 400mm 400mm 400mm
Handlebar Width 680mm 680mm 680mm 680mm 680mm
Reach 403mm 407mm 429mm 451mm 465mm
Stack 607mm 627mm 637mm 646mm 665mm
Chainstay Length 430mm 430mm 430mm 430mm 430mm
Top Tube Length (Actual) 559mm 564mm 586mm 610mm 633mm
Ground-Top 908mm 928mm 938mm 947mm 966mm
Top Tube Length (Horizontal) 570mm 590mm 615mm 640mm 660mm
Head Tube Angle - Low Setting 71.5° 71.5° 71.5° 71.5° 71.5°
Standover Height 724mm 799mm 829mm 863mm 900mm
Head Tube Height 100mm 110mm 120mm 130mm 150mm
Wheel Base 1064mm 1067mm 1093mm 1118mm 1138mm
Seat Tube Angle (Actual) - Low Setting 73° 72° 72° 72° 72°
Seat Tube Angle (Effective) - Low Setting 74.5° 73.5° 73.5° 73.5° 73.5°
Seat Tube Length - Center to Top 396mm 448mm 486mm 536mm 587mm
Bottom Bracket Height - Low Setting 301mm 301mm 301mm 301mm 301mm