Part No.  


Part No.  
Technical Specifications
STILL LEAVING ITS COMPETITION IN THE DUST after decades in production, the Stumpjumper® Hardtail makes no apologies for being the leanest, lightest (some models are under 20 lbs.) and most precision hardtail on the market. Tradition works.
  • M5 fully manipulated alloy frame, with new larger-diameter ORE top/down tube for superior ride quality and shared tube mono-stays for lateral rigidity.
  • The Fox F90 suspension fork is built light and stiff for XC racing with 90mm travel, compression/rebound adjust and lockout.
  • The custom Shimano crankset is light, stiff and shifts smooth in every condition.
  • S-Works Fast Trak LK tires roll fast and grip tight in race conditions thanks to dual compound treads.

Technical Specifications

CHAIN SRAM PC-971, 9-speed w/Power Link
BOTTOM BRACKET Custom Shimano FC-M542
CRANKSET Custom Shimano FC-M542, 15.5"": 170mm, others: 175mm
FRONT DERAILLEUR Shimano M660 SLX, 34.9mm, clamp top swing, dual pull
SHIFT LEVERS Shimano SL-M660 SLX, trigger, 9-speed
CASSETTE Shimano HG61, 9-speed, 11-34t
CHAINRINGS 22S x 32A x 44A, 4-bolt, 104/64mm
REAR DERAILLEUR Shimano RD-M772 XT Shadow, 9 speed, long cage
FORK Fox F90 RL, 90mm travel, air spring, compression and rebound adj. w/ LO, alloy steerer
FRONT HUB Specialized Hi Lo disc, CNC flange, sealed cartridge bearing, 9mm DT RWS, alloy QR, 28h
REAR HUB Custom Shimano M525 SL, alloy QR, 32h
INNER TUBES Specialized Ultralight 26x2.0"", presta
SPOKES DT Swiss 1.8mm stainless, black, alloy nipples
FRONT TIRE S-Works Fast Trak LK, 26x2.0"", 120 TPI, tubeless ready aramid bead, dual compound
RIMS Mavic X317, black w/ eyelets, 28/32h
REAR TIRE S-Works Fast Trak LK, 26x2.0"", 120 TPI, tubeless ready aramid bead, dual compound
SADDLE Specialized Phenom, hollow Cr-Mo rails, SL foam, 13.5/15.5/17.5: 130mm Others:143mm
SEATPOST 2014 butted alloy, single-bolt setback, 13.5/15.5/17/18: 350mm, 19/21: 400mm
STEM Specialized adjustable rise, 31.8mm clamp, 3D forged w/CNC finish
HANDLEBARS Specialized XC flat 31.8mm, 2014 butted alloy, 6 degree backsweep, 600mm wide
GRIPS Specialized thin lock on grip (15.5/17"") Specialized Thick lock on grip (all others)
FRONT BRAKE Avid SD-3R, linear pull, cartridge pads, lightweight compressionless housing
BRAKE LEVERS Avid FR-5, alloy, two-finger, linear pull
REAR BRAKE Avid SD-3R, linear pull, cartridge pads, lightweight compressionless housing
HEADSET 1-1/8"" Threadless, 10mm insertion alloy cups, sealed cartridge bearing
SEAT BINDER 7050 hard annodized alloy collar w/bolt, 34.9mm clamp ID, black
FRAME SJ HT M5 Manipulated Alloy, fully manipulated DT, TT, SS, CS, ST w/ shared tube Mono-stay seatstays, disc mount, replaceable derailleur hanger


Geometry Chart

- Geometry

  13.5 15.5 17 18 19 21
Crank Length 170mm 170mm 175mm 175mm 175mm 175mm
Stem Length 75mm 75mm 90mm 105mm 105mm 120mm
Seatpost Length 350mm 350mm 350mm 350mm 400mm 400mm
Handlebar Width 600mm 600mm 600mm 600mm 600mm 600mm
Chainstay Length 424mm 424mm 424mm 424mm 424mm 424mm
Top Tube Length (Actual) 530mm 537mm 563mm 575mm 590mm 615mm
Top Tube Length (Horizontal) 535mm 555mm 585mm 600mm 615mm 640mm
Head Tube Angle - Low Setting 70.5° 70.5° 70.5° 70.5° 70.5° 70.5°
Standover Height 695mm 728mm 759mm 773mm 796mm 832mm
Head Tube Height 100mm 100mm 120mm 120mm 140mm 160mm
Wheel Base 1013mm 1033mm 1064mm 1079mm 1095mm 1121mm
Seat Tube Angle (Actual) - Low Setting 73° 73° 73° 73° 73° 73°
Seat Tube Length - Center to Top 343mm 394mm 432mm 457mm 483mm 533mm
Bottom Bracket Height - Low Setting 304mm 304mm 304mm 304mm 304mm 304mm