Specialized Stumpjumper 2023 Geometry

Written by Ty Sutherland in Trail

Specialized Stumpjumper
Specialized Stumpjumper
Sizing up the Specialized Stumpjumper 2023? Compare its reach, stack, and handling against 200+ bikes with our Bike Geometry Comparison and Fit Calculator.
S1S2S3S4S5S6
Crank Length165mm170mm170mm170mm170mm175mm
Handlebar Width800mm800mm800mm800mm800mm800mm
Stem Length35mm35mm50mm50mm50mm50mm
Saddle Width155mm155mm143mm143mm143mm143mm
Seatpost Length100mm125mm150mm170mm170mm170mm
Stack (Low BB)614mm613mm622mm632mm641mm650mm
Stack (High BB)610mm609mm618mm627mm636mm646mm
Reach (Low BB)410mm430mm450mm475mm500mm530mm
Reach (High BB)415mm435mm455mm480mm505mm535mm
Headtube Length95mm100mm110mm120mm130mm140mm
Headtube Angle (Low BB)65°65°65°65°65°65°
Headtube Angle (High BB)65.5°65.5°65.5°65.5°65.5°65.5°
BB Height (Low BB)328mm333mm333mm333mm333mm333mm
BB Height (High BB)335mm340mm340mm340mm340mm340mm
BB Drop (Low BB)47mm42mm42mm42mm42mm42mm
BB Drop (High BB)40mm35mm35mm35mm35mm35mm
Trail (Low BB)126mm126mm126mm126mm126mm126mm
Trail (High BB)123mm123mm123mm123mm123mm123mm
Fork Length (full)550mm550mm550mm550mm550mm550mm
Fork Rake/Offset44mm44mm44mm44mm44mm44mm
Front Center724mm746mm770mm800mm829mm863mm
Chainstay Length432mm432mm432mm432mm442mm442mm
Wheelbase1152mm1175mm1200mm1228mm1268mm1302mm
Top-tube Length (horizontal)563mm583mm605mm632mm660mm692mm
Bike Standover Height730mm734mm744mm749mm757mm757mm
Seat Tube Length385mm385mm405mm425mm445mm465mm
Seat Tube Angle (Low BB)76°76°76°76°76°76°
Seat Tube Angle (High BB)76.5°76.5°76.5°76.5°76.5°76.5°
Max Seatpost Insertion220mm220mm240mm260mm280mm300mm
Min Seatpost Insertion80mm80mm80mm80mm80mm

Related Geometry

More Specialized geometry: Specialized Demo 2020 Geometry, Specialized Demo 2023 Geometry, Specialized Enduro 2020 Geometry, Specialized Enduro 2023 Geometry, Specialized Enduro 2026 Geometry.

Compare all mountain bikes: 2023 Yeti SB140 Geometry, Commencal Meta AM 29 2020 Geometry, Commencal Meta AM 29 2021 Geometry.

Ride character of the Specialized Stumpjumper 2023

In size S4, the Specialized Stumpjumper 2023 pairs balanced 432 mm chainstays that keep it lively without feeling nervous; a slack 65.5° head angle that stays composed when it gets steep and fast; a moderate 480 mm reach; a low-slung bottom bracket (~35 mm drop) that corners with confidence (mind pedal strikes).

Those numbers describe how it steers and sits. How the suspension actually feels, small-bump sensitivity, mid-stroke support and bottom-out ramp, comes down to its leverage and anti-squat curves: see our MTB suspension kinematics guide, and put its geometry head-to-head with any other bike in the geometry comparison tool.

Ty Sutherland

Ty Sutherland: Nestled in the heart of Okanagan, BC - a global epicenter for mountain biking - Ty has been an ardent mountain biker for over 15 years. His journey began with a Norco Sight, a ride that ignited his passion for the sport. Since then, his collection has grown to include the adrenaline-pumping Norco Aurum for downhill park adventures and the cutting-edge Specialized Turbo Levo. With a keen eye on the ever-evolving world of bike geometry and technology, Ty is fascinated by how bikes continue to advance, becoming safer and amplifying the thrill with each innovation. At "Bikometry.com", Ty's mission is clear: to keep fellow biking enthusiasts abreast of the latest advancements, ensuring every ride is safer, more exhilarating, and endlessly enjoyable.

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