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One Bike to Rule All Trails
The all-new Stumpjumper 15 EVO obliterates every trade-off in the trail game. It’s the ‘Bike of the Year’ winning Stumpy 15 you know, turned up to 11—with a longer-travel 160mm FOX fork, external reservoir FOX FLOAT X shock, and a slacker headtube for next-level capability. Devour bumps like a big bike? Check. Short-travel control, playfulness, and efficiency? Double check. A heaping helping of personalization to make it perfect for the only rider who matters—you? Check, check, check.
Frame
FACT 11m carbon chassis, rear-end and link, Trail Geometry, SWAT™ Door integration, head tube angle adjustment, threaded BB, internal brake and dropper cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, SRAM UDH compatible, 145mm of travel
Seat Binder
Alloy, 38.6mm
SWAT
SWAT 4.0 internal downtube storage
Rear Shock
FOX FLOAT X Factory with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever, LSC adjustment, LSR adjustment, 210x55mm
Fork
FOX FLOAT 36 Factory, GRIP X2 damper, HS and LS rebound and compression adjustment, 15x110mm Kabolt axle, 44mm offset, S1:150mm of travel, S2-S6:160mm of travel
Front Brake
Shimano XTR, 4-piston caliper, hydraulic disc
Rear Brake
Shimano XTR, 4-piston caliper, hydraulic disc
Shift Levers
Shimano XTR Di2
Rear Derailleur
Shimano XTR Di2, 12-speed
Cassette
Shimano XTR, 12 Speed, 10-51T
Chain
Shimano XTR, 12-speed w/ quick link
Crankset
Shimano XTR, 55mm chainline, 32T, S1-S3: 165mm, S4-S6: 170mm
Bottom Bracket
Shimano BB93
Front Tire
Butcher, GRID TRAIL casing, Gripton T9 compound, 29X2.4
Front Wheel
Roval Traverse SL II Rim, hookless carbon, 30mm inner width, tubeless ready, 29", Industry 9 Hydra Hub, 15x110mm, 28h, DT Swiss Revolite Spokes
Rear Tire
Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, TLR, S1-S2: 27.5x2.4, S3- S6: 29x2.4"
Rear Wheel
Roval Traverse SL II Rim, hookless carbon, 30mm inner width, tubeless ready, 29", Industry 9 Hydra Hub, 12x148mm, 28h, DT Swiss Revolite Spokes
Inner Tubes
Standard, Presta Valve
Stem
Race Face Turbine R, 35mm clamp, 40mm length
Handlebars
RaceFace ERA Carbon, 5-degree upsweep, 8-degree backsweep. S1-S2: 800 width, 20mm rise: S3-S6: 800 width, 55mm rise
Grips
Deity Lockjaw Grips
Saddle
Specialized S-Works Power Mirror, Ti Rails, S1-S2: 155mm, S3-S6:143mm
SeatPost
FOX Transfer NEO Factory, 34.9, S1:125mm, S2: 150mm, S3: 175mm, S4-S6: 200mm
Product ID
291508
Weight
13.95 kg (30 lb, 12.1 oz)
Weight Size
S4
* 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.
| S1 | S2 | S3 | S4 | S5 | S6 | |
|---|---|---|---|---|---|---|
| Crank Length | 165mm | 165mm | 165mm | 170mm | 170mm | 170mm |
| Handlebar Width | 800mm | 800mm | 800mm | 800mm | 800mm | 800mm |
| Stem Length | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm |
| Saddle Width | 155mm | 155mm | 143mm | 143mm | 143mm | 143mm |
| Seatpost Length | 125mm | 150mm | 175mm | 200mm | 200mm | 200mm |
| Stack | 611mm | 621mm | 630mm | 644mm | 658mm | 671mm |
| Reach | 400mm | 420mm | 445mm | 470mm | 495mm | 525mm |
| Headtube Length | 95mm | 100mm | 110mm | 125mm | 140mm | 155mm |
| Headtube Angle | 64° | 64° | 64° | 64° | 64° | 64° |
| BB Height | 337mm | 340mm | 340mm | 340mm | 340mm | 340mm |
| BB Drop | 38mm | 35mm | 35mm | 35mm | 35mm | 35mm |
| Trail | 133mm | 134mm | 134mm | 134mm | 134mm | 134mm |
| Fork Length (full) | 561mm | 573mm | 573mm | 573mm | 573mm | 573mm |
| Fork Rake/Offset | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm |
| Front Center | 724mm | 755mm | 785mm | 816mm | 848mm | 884mm |
| Chainstay Length | 430mm | 432mm | 435mm | 435mm | 445mm | 445mm |
| Wheelbase | 1153mm | 1186mm | 1217mm | 1249mm | 1290mm | 1327mm |
| Top-tube Length (horizontal) | 542mm | 574mm | 596mm | 625mm | 649mm | 678mm |
| Bike Standover Height | 738mm | 751mm | 745mm | 745mm | 745mm | 751mm |
| Seat Tube Length | 385mm | 385mm | 405mm | 425mm | 445mm | 465mm |
| Seat Tube Angle | 77.7° | 76.5° | 76.5° | 76° | 76° | 76° |
| Saddle Height for Effective ST Angle | 825mm | 870mm | 645mm | 690mm | 735mm | 780mm |
| Max Seatpost Insertion | 245mm | 245mm | 255mm | 255mm | 285mm | 285mm |
| Min Seatpost Insertion | 80mm | 80mm | 80mm | 80mm | 80mm | 80mm |
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