2025 Specialized Stumpjumper 15 Expert - SRAM GX AXS, FOX Performance Elite
US$1,800.00
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US$1,800.00
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by www.synergy-ka.com
Free 30-day returns Details
Product details
| Management number | 236281651 | Release Date | 2026/07/09 | List Price | US$1,800.00 | Model Number | 236281651 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
Stumpjumper 15 Expert
The Stumpjumper 15 Expert brings GENIE shock technology and the full FACT 11m carbon trail platform to a wider audience. Performance Elite suspension, GX AXS shifting, and the same adjustable geometry as the top builds — at the most accessible Stumpy 15 price point with an electronic drivetrain.
- GENIE Shock Tech: 16.3% better bump force management, 57% better traction, 39% fewer bottom-outs vs standard air.
- FOX FLOAT 36 Performance Elite GRIP X2: 150mm (S2–S6), same GRIP X2 damper architecture as higher tiers.
- FOX FLOAT Performance Elite + GENIE: 2-position lever, 3-setting Open mode tuning, LSR adjustment.
- SRAM GX Eagle AXS T-Type: Wireless transmission, 10-52t cassette — most accessible AXS drivetrain.
- Mixed Wheels: 29" front / 27.5" rear (S1–S2) for playfulness; 29" rear (S3–S6) for speed.
- Roval Traverse Alloy + DT 370: Hookless alloy rims, 30mm inner width, durable hubs.
- SRAM Maven Bronze: 4-piston, 200mm HS2 rotors — solid power at the Bronze tier.
- 14.47kg (31 lb): Same frame as Pro, step down in suspension and drivetrain tiers.
The Expert hits the sweet spot — GENIE magic, same carbon frame, at a price that doesn't require a race budget.
GENIE — Coil-Like Feel, Air Spring Control
Patent-pending air spring technology: linear spring rate through the bump zone like a coil, progressive rate at end-stroke to prevent bottom-outs. 16.3% better bump force management, 57% better traction, 39% fewer bottom-outs.
FOX FLOAT 36 Performance Elite GRIP X2
150mm travel (S1: 140mm, S2-S6: 150mm), HS and LS rebound and compression adjustment, 15x110mm QR axle. Same GRIP X2 damper architecture as Factory.
FOX FLOAT Performance Elite + GENIE
Ride Dynamics Trail Tune, 2-position lever w/ 3-setting Open mode tuning range, LSR adjustment. S1: 210x52.5mm, S2-S6: 210x55mm.
SRAM GX Eagle AXS T-Type
GX Eagle Transmission, wireless AXS shifting, 10-52t cassette. Most accessible AXS drivetrain in the Stumpy 15 range.
Mixed Wheel Setup
29" front / 27.5" rear on S1-S2 for nimble, playful feel. S3-S6 goes 29/29 for faster rolling. Geometry unaffected.
Personalization + SWAT 4.0
Six-way geometry adjustment — head angle, BB height, chainstay length. SWAT 4.0 downtube storage. Lifetime pivot bearing replacement.
| S1 | S2 | S3 | S4 | S5 | S6 | |
|---|---|---|---|---|---|---|
| Crank Length | 165 | 165 | 165 | 170 | 170 | 170 |
| Handlebar Width | 780 | 780 | 800 | 800 | 800 | 800 |
| Stem Length | 40 | 40 | 40 | 40 | 40 | 40 |
| Saddle Width | 155 | 155 | 143 | 143 | 143 | 143 |
| Seatpost Length | 125 | 150 | 170 | 200 | 200 | 200 |
| Stack | 608 | 618 | 627 | 640 | 654 | 667 |
| Reach | 400 | 425 | 450 | 475 | 500 | 530 |
| Headtube Length | 95 | 100 | 110 | 125 | 140 | 155 |
| Headtube Angle | 64.5° | 64.5° | 64.5° | 64.5° | 64.5° | 64.5° |
| BB Height | 334 | 337 | 337 | 337 | 337 | 337 |
| BB Drop | 41 | 38 | 38 | 38 | 38 | 38 |
| Trail | 129 | 130 | 130 | 130 | 130 | 130 |
| Fork Length (full) | 551 | 561 | 561 | 561 | 561 | 561 |
| Fork Rake/Offset | 44 | 44 | 44 | 44 | 44 | 44 |
| Front Center | 720 | 751 | 780 | 812 | 843 | 879 |
| Chainstay Length | 430 | 432 | 435 | 435 | 445 | 445 |
| Wheelbase | 1149 | 1181 | 1213 | 1244 | 1285 | 1322 |
| Top-tube Length | 541 | 573 | 595 | 624 | 647 | 677 |
| Bike Standover Height | 738 | 751 | 745 | 745 | 745 | 751 |
| Seat Tube Length | 385 | 385 | 405 | 425 | 445 | 465 |
| Seat Tube Angle | 78° | 77° | 77° | 76.5° | 76.5° | 76.5° |
| Max Seatpost Insertion | 245 | 245 | 255 | 255 | 285 | 285 |
| Min Seatpost Insertion | 80 | 80 | 80 | 80 | 80 | 80 |
Frameset
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 travel
Seat Binder
Alloy, 38.6mm
SWAT
SWAT 4.0 internal downtube storage
Suspension
Fork
FOX FLOAT 36 Performance Elite, GRIP X2 damper, HS and LS rebound and compression adjustment, 15x110mm QR axle, 44mm offset. S1: 140mm, S2-S6: 150mm
Rear Shock
FOX FLOAT Performance Elite 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
Brakes
Front Brake
SRAM Maven Bronze, 4-piston caliper, hydraulic disc, 200mm HS2 Rotor
Rear Brake
SRAM Maven Bronze, 4-piston caliper, hydraulic disc. S1-S2: 180mm, S3-S6: 200mm HS2 Rotor
Drivetrain
Shift Levers
SRAM AXS POD Controller
Rear Derailleur
SRAM GX Eagle Transmission Derailleur
Cassette
SRAM GX Eagle Transmission Cassette, 12spd, 10-52t
Chain
SRAM GX Eagle Transmission Flattop Chain
Crankset
SRAM GX Eagle Crankset, 32T ring, Integrated Guard, 55mm chainline. S1-S3: 165mm, S4-S6: 170mm
Bottom Bracket
SRAM DUB, BSA 73mm Wide, Threaded
Wheels & Tires
Front Wheel
Roval Traverse 29", hookless alloy, 30mm inner width, DT Swiss 370, 15x110mm, 28h, Sapim Force spokes
Rear Wheel
Roval Traverse — S1-S2: 27.5", S3-S6: 29". Hookless alloy, 30mm inner width, DT Swiss 370, 12x148mm, 28h, Sapim Force spokes
Front Tire
Butcher, GRID TRAIL casing, GRIPTON T9 compound, 2Bliss Ready, 29x2.3"
Rear Tire
Eliminator, GRID TRAIL casing, GRIPTON T7 compound, 2Bliss Ready. S1-S2: 27.5x2.3", S3-S6: 29x2.3"
Inner Tubes
Standard, Presta valve
Cockpit
Handlebars
Specialized 6000 series alloy, 6° upsweep, 8° backsweep. S1-S2: 780mm, 20mm rise; S3-S4: 800mm, 30mm rise; S5-S6: 800mm, 40mm rise
Stem
Alloy Trail Stem, 35mm bar bore, 40mm length
Seatpost
PNW Loam Dropper, tool-less travel adjust, Range lever. S1: 125mm, S2: 150mm, S3: 170mm, S4-S6: 200mm
Saddle
Bridge Comp, hollow Cr-mo rails. S1-S2: 155mm, S3-S6: 143mm
Grips
Deity Lockjaw, Lock On
Weight
Weight
14.47kg (31 lb, 14.4 oz)
Weight Size
S4
Bestseller ranking
Cycling
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