Specialized Stumpjumper 15 Pro 2025
Bike details
Key information split into simple groups.
Bike summary
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Frame Carbon
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Travel Front 150mm
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Travel Rear 145mm
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Fork Fox Factory Float 36
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Groupset X0, X0 Eagle Transmission
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Suspension Full
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Drivetrain 1 × 12 Electronic
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Brakes Hydraulic Disc
Recommended size guide.
S1
149cm - 160cm
S2
157cm - 172cm
S3
165cm - 180cm
S4
172cm - 188cm
S5
177cm - 193cm
S6
188cm - 203cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
FACT 11m carbon chassis and rear-end, 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
Suspension Fork
FOX FLOAT 36 Factory, GRIP X2 damper, HS and LS rebound and compression adjustment, 15x110mm QR axle, 44mm offset, S1:140mm of travel, S2-S6:150mm of travel
Rear Shock
FOX FLOAT Factory with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever w/3 setting Open mode tuning range, LSR adjustment, S1:210x52.5mm, S2-S6:210x55mm
Drivetrain
Rear Derailleur
SRAM X0 Eagle Transmission Derailleur
Shift Levers
SRAM AXS POD Controller
Cassette
SRAM X0 Eagle Transmission Cassette, 12spd, 10-52t
Crank
SRAM X0 Eagle Crankset, 32T ring, Integrated Guard, 55mm Chainline, S1-S3:165mm, S4-S6: 170mm
Bottom Bracket
SRAM DUB, BSA 73mm Wide, Threaded
Chain
SRAM X0 Eagle Transmission Flattop Chain
Wheels
Front Hub
Industry 9 1/1, 15x110mm, 28h
Rear Hub
Industry 9 1/1, 12x148mm, 28h
Rims
Roval Traverse SL II, hookless carbon, 30mm inner width, tubeless ready, Front: 29, Rear: S1-S2: 27.5, S3- S6: 29
Spokes
Sapim D-Light
Tires
Front: Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3", Rear: Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, 2Bliss Ready, S1-S2: 27.5x2.3, S3- S6: 29x2.3"
Brakes
Brakes
Front: SRAM Maven Silver, 4-piston caliper, hydraulic disc, 200mm HS2 Rotor, Rear: SRAM Maven Silver, 4-piston caliper, hydraulic disc, S1-S2: 180mm, S3-S6: 200mm HS2 Rotor
Cockpit
Stem
Industry 9 Moutain stem, 35mm clamp, 40mm length
Handlebar
Roval Traverse SL Carbon, riser bar, 6-degree upsweep, 8-degree backsweep, 30mm rise, S1-S2: 780mm: S3-S6: 800mm
Grips
Deity Lockjaw
Seat
Saddle
Bridge Expert with MIMIC, Hollow Ti rails, S1-S2: 155mm, S3-S6: 143mm
Seatpost
Bike Yoke, Revive Max, 34.9, S1: 125mm, S2: 160mm, S3-S4: 185mm, S5-S6: 213mm
Fit data
Numbers for sizing and ride feel.
| Size | S1 | S2 | S3 | S4 | S5 | S6 |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.52 mm | 1.454 mm | 1.393 mm | 1.347 mm | 1.308 mm | 1.258 mm |
| Bottom Bracket Height | 334 mm | 337 mm | 337 mm | 337 mm | 337 mm | 337 mm |
| Front Center | 720 mm | 751 mm | 780 mm | 812 mm | 843 mm | 879 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 129 mm | 130 mm | 130 mm | 130 mm | 130 mm | 130 mm |
| Stack | 608 mm | 618 mm | 627 mm | 640 mm | 654 mm | 667 mm |
| Reach | 400 mm | 425 mm | 450 mm | 475 mm | 500 mm | 530 mm |
| Top Tube Length | 541 mm | 573 mm | 595 mm | 624 mm | 647 mm | 677 mm |
| Seat Tube Angle | 78 ° | 77 ° | 77 ° | 76.5 ° | 76.5 ° | 76.5 ° |
| Seat Tube Length | 385 mm | 385 mm | 405 mm | 425 mm | 445 mm | 465 mm |
| Head Tube Angle | 64.5 ° | 64.5 ° | 64.5 ° | 64.5 ° | 64.5 ° | 64.5 ° |
| Head Tube Length | 95 mm | 100 mm | 110 mm | 125 mm | 140 mm | 155 mm |
| Chainstay Length | 430 mm | 432 mm | 435 mm | 435 mm | 445 mm | 445 mm |
| Wheelbase | 1149 mm | 1181 mm | 1213 mm | 1244 mm | 1285 mm | 1322 mm |
| Bottom Bracket Drop | 41 mm | 38 mm | 38 mm | 38 mm | 38 mm | 38 mm |
| Standover Height | 738 mm | 751 mm | 745 mm | 745 mm | 745 mm | 751 mm |
| Wheels | 29" | 29" | 29" | 29" | 29" | 29" |
| Rider Min Height | 149 cm | 157 cm | 165 cm | 172 cm | 177 cm | 188 cm |
| Rider Max Height | 160 cm | 172 cm | 180 cm | 188 cm | 193 cm | 203 cm |
