Quiver

2017 Specialized Camber 650b vs 2018 Specialized Stumpjumper 27.5

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

What changes on the Specialized Stumpjumper 27.5

Compared with the Specialized Camber 650b in M, the Specialized Stumpjumper 27.5 in S places the top of the head tube at about the same height and 37 mm further back, relative to the bottom bracket. Its wheelbase is 23 mm shorter, which can contribute to quicker direction changes.

Frame stack
±0 mm
About the same height
Frame reach
−37 mm
Shorter frame reach
Wheelbase
−23 mm
Shorter: quicker to change direction
Head angle
−1.0°
Slacker: calmer steering
Chainstays
±0 mm
About the same

The two frames

2017 Specialized Camber 650b (M) and 2018 Specialized Stumpjumper 27.5 (S), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Camber 650b is drawn in full with its measurements, and the Specialized Stumpjumper 27.5 is the colored outline on top.J 1119

Specialized Camber 650b, MSpecialized Stumpjumper 27.5, SDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Camber 650b MSpecialized Stumpjumper 27.5 SDifference
Reach425mm388mm−37 mm
Stack590mm590mm±0 mm
Head tube angle68°67°−1.0°
Seat tube angle75°74°−1.0°
Effective top tube583mm558mm−25 mm
Chainstay length420mm420mm±0 mm
Wheelbase1119mm1096mm−23 mm
BB drop23mm18mm−5 mm
Standover728mm742mm+14 mm
Seat tube length430mm396mm−34 mm
Fork length522mm542mm+20 mm
Head tube length105mm105mm±0 mm

Differences are the Specialized Stumpjumper 27.5 minus the Specialized Camber 650b. Full charts: 2017 Specialized Camber 650b, 2018 Specialized Stumpjumper 27.5.

Where each sits in its class

Specialized Camber 650bSpecialized Stumpjumper 27.5

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 Camber 650b650bSpecialized Stumpjumper 27.5S-Works 27.5
ForkRockShox SektorÖhlins RXF 36
Rear shockX-Fusion Pro RLÖhlins STX
ShifterSRAM GXSRAM XX1 Eagle
DerailleurSRAM GXSRAM XX1 Eagle
ChainKMC X-10SRAM X01 Eagle
CranksetSRAM NXSRAM XX1 Eagle
Bottom bracketTruVativ Powersplinenot listed
TireSpecialized Purgatory, Specialized Ground ControlSpecialized Butcher
BrakeTektro Gemini CompSRAM Guide RS
GripsSpecialized Sip GripSpecialized Sip Grip
SaddleSpecialized Henge SportSpecialized Henge Expert
Cassettenot listedSRAM X01 Eagle
Hubnot listedRoval Traverse SL
Rimnot listedRoval Traverse SL 27.5
Stemnot listedSyntace F109
Seatpostnot listedSpecialized Command Post IRcc

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