Specialized S-Works Stumpjumper ST Specs and reviews

Specialized S-Works Stumpjumper ST fiche technique et avis

Specialized S-Works Stumpjumper ST specs

General Information
Model Name S-Works Stumpjumper ST
Brand Specialized
Year of Release 2022
Country of Origin United States
Mountain Bike Type Trail
Intended Use All-mountain
Frame & Geometry
Frame Material Carbon
Frame Size Options S, M, L, XL
Frame Geometry reach: 440mm / stack: 605mm / head tube angle: 66.5 degrees / seat tube angle: 75 degrees / chainstay length: 435mm / wheelbase: 1183mm
Axle Standard Boost 148mm
Bottom Bracket Type PF30
Headset Type IS42/IS52
Internal Cable Routing true
Frame Storage downtube storage
Protection Features frame armor, chainstay protector
Suspension System
Suspension Type Full Suspension
Front Suspension Brand and Model Fox Float 34 Factory
Front Suspension Travel 140mm
Rear Suspension Brand and Model Fox Float DPS Factory
Rear Suspension Travel 130mm
Suspension Adjustments compression, rebound
Suspension Design/Kinematics Horst Link
Flip Chip or Geometry Adjust Features true
Drivetrain
Drivetrain Type 1x
Number of Speeds 12-speed
Rear Derailleur Model SRAM XX1 Eagle AXS
Shifter Brand and Model SRAM XX1 Eagle AXS
Crankset Details length: 175mm / chainring size: 32T
Cassette Range 10-52T
Chain Type and Brand SRAM XX1 Eagle
Q-Factor 168mm
Braking System
Brake Type Hydraulic Disc
Brake Brand and Model SRAM G2 Ultimate
Rotor Size front: 200mm / rear: 180mm
Brake Mount Standard Post Mount
Brake Pads Organic
Wheels & Tires
Wheel Size 29"
Rim Material and Width internal: 30mm / external: 35mm
Hub Type and Engagement 6-pawl, rapid engagement
Tubeless Ready true
Tire Brand, Model, and Width Specialized Butcher, 2.4"
Tire Compound and Sidewall Casing Gripton compound, T7 casing
Tire Tread Pattern and Intended Terrain Aggressive tread for all-mountain
Max Tire Pressure 35 psi
Insert Compatibility CushCore-ready
Cockpit & Contact Points
Handlebar Type Riser
Handlebar Material Carbon
Stem Length and Angle 50mm, 6 degrees
Grips Type Lock-on
Saddle Brand and Model Specialized Power Pro
Seatpost Type Dropper
Dropper Post Travel 150mm
Seatpost Diameter 30.9mm
Pedals Included false
Headset Brand and Bearing Type FSA, sealed cartridge
Geometry & Fit
Available Frame Sizes S, M, L, XL
Standover Height S: 770mm / M: 780mm / L: 790mm / XL: 800mm
Rider Height Range 5'4" - 6'5"
Stack and Reach stack: 605mm / reach: 440mm
Effective Top Tube Length 620mm
Chainstay Length 435mm
Bottom Bracket Drop and Height drop: 30mm / height: 330mm
Head Tube and Seat Tube Lengths head tube: 110mm / seat tube: 460mm
Technology & Integration
Electronic Shifting Compatibility SRAM AXS, Shimano Di2
App Connectivity for Setup/Tuning true
Performance & Ride Quality
Weight 27.5 lbs (claimed)
Ride Character climbing, descending, stability, agility
Certifications & Compliance
Safety Standards ISO4210, CPSC
Accessories & Mounts
Bottle Cage Mounts 2
Rack/Fender Mounts false
Packaging & Delivery
Bike Weight in Box 32 lbs
Assembly Required 90% complete
Price & Availability
MSRP $9,999
Market Availability Global
Color Options Black, Red
Warranty Coverage frame: Lifetime / components: 2 years

Pros and Cons of Specialized S-Works Stumpjumper ST


Pros Cons
Lightweight carbon frame High price point
Responsive handling May be too stiff for some riders
Efficient climbing ability Limited color options
Smooth suspension system Not ideal for extreme downhill trails

Common Issues and Problems with Specialized S-Works Stumpjumper ST


Common Problems
1. Dropper post not functioning properly
2. Fork seals leaking oil
3. Chain slipping under load
4. Brakes squealing or lacking stopping power
5. Rear derailleur shifting inaccurately
6. Wheel spokes becoming loose
7. Suspension feeling harsh or not adjusting properly
8. Cracks or damage to the frame

User Reviews of Specialized S-Works Stumpjumper ST


Name Review
Emily The Specialized S-Works Stumpjumper ST is an absolute beast on the trails. It's lightweight, nimble, and handles like a dream. Highly recommended!
Michael I've been riding the S-Works Stumpjumper ST for a few months now and I am blown away by its performance. The carbon frame is super responsive and the components are top-notch.
Sarah This bike is worth every penny. The geometry is dialed in perfectly, making it a joy to ride both uphill and downhill. I love the attention to detail in the design.
Chris As an experienced rider, I can confidently say that the S-Works Stumpjumper ST is one of the best bikes I've ever owned. It's fast, agile, and built to handle any terrain.

Common Questions About Specialized S-Works Stumpjumper ST


  • Can I install a different brand of suspension on the S-Works Stumpjumper ST?

    While it's possible to swap out the suspension, it's recommended to stick with the provided Fox Float suspension for optimal performance and compatibility.

  • Is the S-Works Stumpjumper ST suitable for technical downhill trails?

    Yes, the bike's design and suspension make it well-suited for handling technical downhill trails with confidence and control.

  • Do I need any special tools for adjusting the suspension on this bike?

    Basic tools are sufficient for adjusting the suspension settings, but consulting a professional for fine-tuning is recommended for the best performance.

  • Can I upgrade the drivetrain to a higher number of speeds?

    The bike comes with a 12-speed drivetrain, which offers a wide range of gears for various terrains. Upgrading to more speeds is not necessary for most riders.

  • What is the maximum rider weight limit for the S-Works Stumpjumper ST?

    The bike is designed to accommodate riders up to a certain weight limit, usually around 300 lbs, but it's best to check with Specialized for specific weight recommendations.

  • Is the S-Works Stumpjumper ST compatible with aftermarket dropper posts?

    Yes, the bike is compatible with most aftermarket dropper posts, but it's advisable to verify compatibility with the manufacturer before making a purchase.

  • What tire pressure range is recommended for optimal performance on this bike?

    A tire pressure range of around 25-30 psi is a good starting point, but fine-tuning based on rider weight and terrain conditions can further enhance performance.

  • Does the S-Works Stumpjumper ST come with a warranty for the components?

    Yes, components on the bike are typically covered under a 2-year warranty, ensuring protection against defects or malfunctions within the specified period.

  • Can I mount a front fender on the S-Works Stumpjumper ST for muddy conditions?

    Unfortunately, the bike does not come with rack/fender mounts, making it challenging to attach a front fender for muddy conditions.

  • How does the S-Works Stumpjumper ST handle long climbs on varied terrain?

    The bike's lightweight design and efficient climbing geometry make it well-suited for long climbs on varied terrain, providing a balance of comfort and performance.