Quiver

2018 Specialized Stumpjumper Pro 27.5 vs 2018 Specialized Stumpjumper 27.5 Frameset

The Specialized Stumpjumper 27.5 Frameset size closest to your M is the M. Compare the M instead

What changes on the Specialized Stumpjumper 27.5 Frameset

Compared with the Specialized Stumpjumper Pro 27.5 in M, the Specialized Stumpjumper 27.5 Frameset in L places the top of the head tube 9 mm higher and 28 mm further forward, relative to the bottom bracket. Its wheelbase is 32 mm longer, which can contribute to stability at speed.

Frame stack
+9 mm
Higher front end
Frame reach
+28 mm
Longer frame reach
Wheelbase
+32 mm
Longer: steadier at speed
Head angle
±0.0°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2018 Specialized Stumpjumper Pro 27.5 (M) and 2018 Specialized Stumpjumper 27.5 Frameset (L), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Stumpjumper Pro 27.5 is drawn in full with its measurements, and the Specialized Stumpjumper 27.5 Frameset is the colored outline on top.J 1126

Specialized Stumpjumper Pro 27.5, MSpecialized Stumpjumper 27.5 Frameset, LDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Stumpjumper Pro 27.5 MSpecialized Stumpjumper 27.5 Frameset LDifference
Reach414mm442mm+28 mm
Stack599mm608mm+9 mm
Head tube angle67°67°±0.0°
Seat tube angle74°74°±0.0°
Effective top tube587mm618mm+31 mm
Chainstay length420mm420mm±0 mm
Wheelbase1126mm1158mm+32 mm
BB drop18mm18mm±0 mm
Standover748mm762mm+14 mm
Seat tube length430mm468mm+38 mm
Fork length542mm542mm±0 mm
Head tube length115mm125mm+10 mm

Differences are the Specialized Stumpjumper 27.5 Frameset minus the Specialized Stumpjumper Pro 27.5. Full charts: 2018 Specialized Stumpjumper Pro 27.5, 2018 Specialized Stumpjumper 27.5 Frameset.

Where each sits in its class

Specialized Stumpjumper Pro 27.5Specialized Stumpjumper 27.5 Frameset

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other trail bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.

What each ships with

The stock build of each bike's first listed trim. Parts that match are dimmed.

PartSpecialized Stumpjumper Pro 27.5Pro 27.5Specialized Stumpjumper 27.5 FramesetS-Works Frameset
ForkÖhlins RXF 36not listed
Rear shockÖhlins STXÖhlins STX
ShifterSRAM X01 Eaglenot listed
DerailleurSRAM X01 Eaglenot listed
CassetteSRAM X01 Eaglenot listed
ChainSRAM X01 Eaglenot listed
CranksetTruVativ Descendantnot listed
TireSpecialized Butchernot listed
HubDT Swiss 350not listed
RimRoval Traversenot listed
BrakeSRAM Guide RSnot listed
GripsSpecialized Sip Gripnot listed
SeatpostSpecialized Command Post IRccnot listed
SaddleSpecialized Henge Expertnot listed

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