2025 Specialized Stumpjumper 15 Pro
- Category
- Full-suspension Trail MTB
- Design
- Flat Bar, Full suspension
- Frame
- Carbon/Composite
- Suspension
- 150mm fork travel, 140mm rear travel
- Features
- Disc brake
Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
S1 | S2 | S3 | S4 | S5 | S6 | |
Stack | 608mm | 618mm | 627mm | 640mm | 654mm | 667mm |
Reach | 400mm | 425mm | 450mm | 475mm | 500mm | 530mm |
Stack to Reach Ratio | 1.52:1 | 1.45:1 | 1.39:1 | 1.35:1 | 1.31:1 | 1.26:1 |
Seat Tube Length, Unknown | 385mm | 385mm | 405mm | 425mm | 445mm | 465mm |
Top Tube Length, Effective/Horizontal HT Top | 541mm | 573mm | 595mm | 624mm | 647mm | 677mm |
Top Tube Slope | 25.7deg | 25.4deg | 23.2deg | 21.6deg | 20.1deg | 18.6deg |
Head Tube Angle | 64.5deg | 64.5deg | 64.5deg | 64.5deg | 64.5deg | 64.5deg |
Seat Tube Angle | 78deg | 77deg | 77deg | 76.5deg | 76.5deg | 76.5deg |
Head Tube Length | 95mm | 100mm | 110mm | 125mm | 140mm | 155mm |
Bottom Bracket Drop | 41mm | 38mm | 38mm | 38mm | 38mm | 38mm |
Bottom Bracket Height | 328.4mm | 331.4mm | 331.4mm | 331.4mm | 331.4mm | 331.4mm |
Chainstay Length | 430mm | 432mm | 435mm | 435mm | 445mm | 445mm |
Chainstay Length Horizontal | 428mm | 430.3mm | 433.3mm | 433.3mm | 443.4mm | 443.4mm |
Front-Center | 720mm | 751mm | 780mm | 812mm | 843mm | 879mm |
Front-Center Horizontal | 721mm | 750.7mm | 779.7mm | 810.7mm | 841.6mm | 878.6mm |
Wheelbase | 1149mm | 1181mm | 1213mm | 1244mm | 1285mm | 1322mm |
Fork Offset/Rake | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm |
Fork Length, Unknown | 551mm | 561mm | 561mm | 561mm | 561mm | 561mm |
Trail | 127.5mm very high | 127.5mm very high | 127.5mm very high | 127.5mm very high | 127.5mm very high | 127.5mm very high |
Mechanical Trail | 115mm | 115mm | 115mm | 115mm | 115mm | 115mm |
Wheel Flop | 49.5mm | 49.5mm | 49.5mm | 49.5mm | 49.5mm | 49.5mm |
Standover Height | 738mm | 751mm | 745mm | 745mm | 745mm | 751mm |
Tire to Pedal Spindle | 185.6mm 165 mm cranks | 216.6mm 165 mm cranks | 245.6mm 165 mm cranks | 272.6mm 170 mm cranks | 303.6mm 170 mm cranks | 339.6mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 163.4mm 165 mm cranks | 166.4mm 165 mm cranks | 166.4mm 165 mm cranks | 161.4mm 170 mm cranks | 161.4mm 170 mm cranks | 161.4mm 170 mm cranks |
Pro Build
S1 | S2 | S3 | S4 | S5 | S6 | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.3in | 2.3in | 2.3in | 2.3in | 2.3in | 2.3in |
Tire Outer Diameter | 738.8mm | 738.8mm | 738.8mm | 738.8mm | 738.8mm | 738.8mm |
Bike Length with Tires | 1887.8mm | 1919.8mm | 1951.8mm | 1982.8mm | 2023.8mm | 2060.8mm |
Crank Length | 165mm | 165mm | 165mm | 170mm | 170mm | 170mm |
Handlebar Width | 780mm | 780mm | 800mm | 800mm | 800mm | 800mm |
Stem Length | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Full-suspension Trail MTBSource:https://www.specialized.com/us/en/stumpjumper-15-pro-sram-x0-axs-fox-factory/p/4221403?color=5366732-4221403