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Stumpjumper
2008 Stumpjumper
Inside Tech TECH We've been continually refining the Stumpjumper for over two decades, and by now, we've tweaked and tuned the frame materials we use to the point of near perfection (yet, as great as they are, we're always pushing to make them better.) Today's FACT carbon or M5 alloy hardtails both feature completely proprietary frame materials that have been developed by our engineers for unparalleled efficiency, low weight and precision handling.
Useful Links Manuals/Tech Bulletins
Technical Specifications
FRAMESET
FRAME
M5 alloy hardtail, fully manipulated DT, TT, SS, CS, ST w/ shared tube Mono-stay seatstays, new larger diameter/stiffer ORE DT/TT, disc mount, replaceable derailleur hanger
HEADSET
1 1/8"" threadless, alloy cups w/ 10mm insertion, sealed cartridge bearing
SEAT BINDER
Alloy single bolt, 34.9mm clamp ID
SUSPENSION
FORK
Fox F90 RL, 90mm travel, air spring, rebound/compression adjust w/ lock out, alloy steerer
WHEELS
FRONT TIRE
Specialized Fast Trak Control LK, 26x2.0"", 60TPI, tubeless ready aramid bead, dual compound
REAR TIRE
Specialized Fast Trak Control LK, 26x2.0"", 60TPI, tubeless ready aramid bead, dual compound
RIMS
Mavic X317, 26"", black w/ eyelets, 28/32h
FRONT HUB
Specialized Hi Lo disc, 28h CNC flange and disc mount, sealed cartridge bearing, 9mm DT RWS alloy QR
REAR HUB
Shimano custom M525SL hub for Specialized, 32h, alloy QR
SPOKES
DT Swiss 1.8mm stainless, alloy nipples
DRIVETRAIN
FRONT DERAILLEUR
Shimano M581 LX, 34.9mm clamp, bottom swing, dual pull
REAR DERAILLEUR
SRAM X-9, 9-speed, mid cage
SHIFT LEVERS
SRAM X-7, aluminum 9-speed trigger
CHAIN
SRAM PC-971 w/ Power Link
CRANKSET
Shimano A/A/S 2pc custom
CHAINRINGS
22S/32A/44A, 4 bolt 104/64mm
BOTTOM BRACKET
Shimano M542, 2pc custom for Specialized
COCKPIT
STEM
Specialized adjustable rise, 31.8mm clamp, 3D forged w/CNC finish
HANDLEBARS
Specialized XC flat 31.8mm bar, 2014 butted alloy, 6 degree backsweep, 600mm wide
SADDLE
Specialized XC MTB, hollow Cr-Mo rails, SL foam
BRAKES
FRONT BRAKE
Avid SD-5R, cantilevers, cartridge pads, lightweight compressionless housing
REAR BRAKE
Avid SD-5R, cantilevers, cartridge pads, lightweight compressionless housing
BRAKE LEVERS
Avid FR-5
ACCESSORIES
PEDALS
Crank Brothers Smarty custom for Specialized
* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.
Geometry
| 13.5 | 15.5 | 17 | 18 | 19 | 21 | |
|---|---|---|---|---|---|---|
| Bottom Bracket Height - Low Setting | 304mm | 304mm | 304mm | 304mm | 304mm | 304mm |
| Top Tube Length (Horizontal) | 535mm | 555mm | 585mm | 600mm | 615mm | 640mm |
| Head Tube Height | 100mm | 100mm | 120mm | 120mm | 140mm | 160mm |
| Head Tube Angle - Low Setting | 70.5° | 70.5° | 70.5° | 70.5° | 70.5° | 70.5° |
| Seat Tube Angle (Actual) - Low Setting | 73° | 73° | 73° | 73° | 73° | 73° |
| Top Tube Length (Actual) | 530mm | 537mm | 563mm | 575mm | 590mm | 615mm |
| Seat Tube Length - Center to Top | 343mm | 394mm | 432mm | 457mm | 483mm | 533mm |
| Wheel Base | 1013mm | 1033mm | 1064mm | 1079mm | 1095mm | 1121mm |
| Standover Height | 695mm | 728mm | 759mm | 773mm | 796mm | 832mm |
| Chainstay Length | 424mm | 424mm | 424mm | 424mm | 424mm | 424mm |
| Crank Length | 170mm | 170mm | 175mm | 175mm | 175mm | 175mm |
| Handlebar Width | 600mm | 600mm | 600mm | 600mm | 600mm | 600mm |
| Stem Length | 75mm | 75mm | 90mm | 105mm | 105mm | 120mm |
| Seatpost Length | 350mm | 350mm | 350mm | 350mm | 400mm | 400mm |
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