Image of Specialized Stumpjumper ST Alloy 27.5
2018

Specialized Stumpjumper ST Alloy 27.5

Specialized Stumpjumper ST 2018

1850

Trail

Colour / Satin Gloss/Black/Nice Blue, Gloss/East Sierras/Rocket Red

Size / S, M, L, XL

Manufacturer Website

At a glance

The 2018 Specialized Stumpjumper ST Alloy 27.5 is an Trail Aluminium / Alloy mountain bike. It sports 27.5" wheels, is priced at $1,850 USD, comes in a range of sizes, including S, M, L, XL, has RockShox suspension and a Shimano drivetrain. The bike is part of Specialized's Stumpjumper ST range of mountain bikes.

FSR suspension platform, Standard metric shock sizing, 1x drivetrain only, Internal cable routing

Where To Buy

Reviews

Specifications

Frameset
  • Frame
    M5 alloy chassis and rear end, asymmetrical design, fully enclosed internal cable routing, sealed cartridge bearing pivots, replaceable derailleur hanger, and chain silencer
  • Fork
    RockShox Recon RL, Solo Air, 42mm offset, rebound adjust, lockout, Boost Maxle Lite thru-axle, 130mm
  • Shock
    X-Fusion 02 Pro RL, Rx Trail Tune, rebound adjust, lockout 190mm x 42.5mm
Wheels
  • Hubs
    Specialized, sealed cartridge bearings, boost front and rear
  • Wheels
    Double-wall, 27mm internal width, 32 hole
  • Wheel Size
    27.5"
  • Spokes
    Stainless, 14g
  • Tires
    Front: Butcher 2.3", GRID casing, GRIPTON compound, 2Bliss Ready
    Rear: Purgatory 2.3", GRID casing, GRIPTON compound, 2Bliss Ready
Drivetrain
  • Chain
    432mm, N/A, 32 tooth, KMC X11 with Missing Link
  • Crank
    SRAM NX, Boost, direct-mount X-Sync
  • Bottom Bracket
    325mm, SRAM PowerSpline
  • Rear Derailleur
    Shimano SLX, Shadow Plus, GS cage
  • Shifters
    Shimano SLX, 11-speed
Components
  • Brakeset
    Tektro Gemini Comp with 200mm front/180mm rear rotors, Tektro Gemini Comp
  • Handlebar
    Specialized, 6061 alloy, 780mm width, 8° backsweep, 6° upsweep, 27mm rise
  • Saddle
    Body Geometry Henge Sport, steel rails, 143mm width
  • Seatpost
    Alloy, 34.9mm, Standard single bolt, 34.9mm, Standard single bolt
  • Stem
    Specialized Trail, 3D forged alloy, 4-bolt, 6° rise
  • Grips
    Specialized Sip, half-waffle, S/M: regular thickness, L/XL: XL thickness

FAQ

Q: How much is a 2018 Specialized Stumpjumper ST Alloy 27.5?

A 2018 Specialized Stumpjumper ST Alloy 27.5 is typically priced around $1,850 USD when new. Be sure to shop around for the best price, and also look to the used market for a great deal.

Q: Where to buy a 2018 Specialized Stumpjumper ST Alloy 27.5?

The 2018 Specialized Stumpjumper ST Alloy 27.5 may be purchased directly from Specialized.

Q: What size wheels does the 2018 Specialized Stumpjumper ST Alloy 27.5 have?

The 2018 Specialized Stumpjumper ST Alloy 27.5 has 27.5" wheels.

Q: What size 2018 Specialized Stumpjumper ST Alloy 27.5 should I get?

The 2018 Specialized Stumpjumper ST Alloy 27.5 comes in sizes S, M, L, XL. After measuring your height, use the size chart below to find the typical Specialized Stumpjumper ST Alloy 27.5 size for your height. Remember that these sizes are a general guide and bike sizes can vary between riders and bikes. The best way to find your size is to go for a test ride.

Rider Height (cm) Rider Height (in) Frame Size
148cm - 158cm 4'10" - 5'2" XS
158cm - 168cm 5'2" - 5'6" S
168cm - 178cm 5'6" - 5' 10" M
178cm - 185cm 5'10" - 6'1" L
185cm - 193cm 6'1" - 6'4" XL
193cm - 198cm 6'4" - 6'6" XXL

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