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2020 Specialized Stumpjumper ST Alloy 29 Bike

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Product 2020 Specialized Stumpjumper ST Alloy 29 Bike
Model Year 2020
Riding Type Trail
Rider Unisex
Sizes and Geometry S, M, L, XL View Geometry
Size S M L XL
Top Tube Length 573mm 597mm 628mm 662mm
Head Tube Angle 67° 67° 67° 67°
Head Tube Length 100mm 100mm 125mm 140mm
Seat Tube Angle 74.8° 74.5° 74.1° 73.7°
Seat Tube Length 380mm 410mm 455mm 505mm
Bottom Bracket Height 341mm (33mm) 341mm (33mm) 341mm (33mm) 341mm (33mm)
Chainstay Length 437mm 437mm 437mm 437mm
Wheelbase 1151mm 1171mm 1201mm 1232mm
Standover 372mm 372mm 372mm 372mm
Reach 405mm 425mm 445mm 470mm
Stack 619mm 619mm 642mm 656mm
Wheel Size 29"
Frame Material Aluminum
Frame Material Details M5 alloy, molded chainstay protection
Rear Travel 120mm
Rear Shock X-Fusion 02 Pro RL, Rx Trail Tune, rebound adjust, lockout, 190mm x 42.5mm
Fork RockShox Recon RL, Motion Control damper, low-speed compression adjust to lockout, rebound adjust, 51mm offset, 15x110mm Boost Maxle Lite thru-axle
Fork Travel 130mm
Head Tube Diameter Tapered, 1.125" top, 1.5" bottom
Handlebar Specialized Trail, 6061 alloy, 27mm rise, 780mm width, 8[degrees] backsweep, 6[degrees] upsweep, 31.8mm diameter
Stem Specialized, 3D-forged alloy, 4-bolt, 7[degrees] rise, 50mm length
Grips Specialized Sip Grip, half waffle, slip-on
Brakes Tektro Gemini Comp, resin pads, 200mm front rotor, 180mm rear rotor
Brake Levers Tektro Gemini Comp
Drivetrain 1x
Shifters SRAM SX Eagle, trigger, 12-speed
Front Derailleur N/A
Rear Derailleur SRAM SX Eagle, 12-speed
Chainguide N/A
Cranks SRAM SX Eagle, PowerSpline, 170mm length
Chainrings Steel, 30 tooth
Bottom Bracket SRAM Powerspline
Pedals Specialized Dirt
Chain SRAM SX Eagle, 12-speed
Cassette SRAM PG-1210 Eagle, 12-speed, 11-50 tooth
Rims Specialized double-wall alloy, 27mm internal width, 32 hole
Hubs Specialized, sealed cartridge bearings, 32 hole, 15x110mm Boost front, 12x148mm Boost rear
Spokes Stainless steel, 14g
Tires Front: Specialized Eliminator, GRID TRAIL casing, GRIPTON compound, 2Bliss ready, 29" x 2.3"
Rear: Specialized Purgatory, GRID casing, 2Bliss ready, 29" x 2.3"
Saddle SM: Specialized Body Geometry Myth, 155mm width
MD/LG/XL: Specialized Body Geometry Henge, 143mm width, steel rails
Seatpost TransX dropper
Drop: 125mm (SM), 150mm (MD/LG/XL)
Seatpost Diameter 34.9mm
Seatpost Clamp Specialized single bolt, alloy, 38.6mm
Rear Dropout / Hub Dimensions 12mm x 148mm Boost
Max. Tire Size
Bottle Cage Mounts Yes (single)
Colors Gloss Dusty Turquoise / White Mountains, Satin Dusty Lilac / Black, Satin Gloss Black / Black, Satin Oak Green / Spruce / Hyper Green
Warranty Limited lifetime frame warranty
Weight N/A
Miscellaneous Fully enclosed internal cable routing
Sealed cartridge bearing pivots
Price $2,010
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