Quiver

2017 Specialized Stumpjumper FSR Comp Carbon 650b vs 2018 Specialized Stumpjumper 27.5 Frameset

The L is the Specialized Stumpjumper 27.5 Frameset size closest to your L Specialized Stumpjumper FSR Comp Carbon 650b. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.

What changes on the Specialized Stumpjumper 27.5 Frameset

Compared with the Specialized Stumpjumper FSR Comp Carbon 650b in L, the Specialized Stumpjumper 27.5 Frameset in L places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.

Frame stack
±0 mm
About the same height
Frame reach
±0 mm
About the same reach
Wheelbase
±0 mm
About the same
Head angle
±0.0°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2017 Specialized Stumpjumper FSR Comp Carbon 650b (L) and 2018 Specialized Stumpjumper 27.5 Frameset (L), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Stumpjumper FSR Comp Carbon 650b is drawn in full with its measurements, and the Specialized Stumpjumper 27.5 Frameset is the colored outline on top.J 1158

Specialized Stumpjumper FSR Comp Carbon 650b, LSpecialized Stumpjumper 27.5 Frameset, LDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Stumpjumper FSR Comp Carbon 650b LSpecialized Stumpjumper 27.5 Frameset LDifference
Reach442mm442mm±0 mm
Stack608mm608mm±0 mm
Head tube angle67°67°±0.0°
Seat tube angle74°74°±0.0°
Effective top tube618mm618mm±0 mm
Chainstay length420mm420mm±0 mm
Wheelbase1158mm1158mm±0 mm
BB drop18mm18mm±0 mm
Standover762mm762mm±0 mm
Seat tube length468mm468mm±0 mm
Fork length542mm542mm±0 mm
Head tube length115mm125mm+10 mm

Differences are the Specialized Stumpjumper 27.5 Frameset minus the Specialized Stumpjumper FSR Comp Carbon 650b. Full charts: 2017 Specialized Stumpjumper FSR Comp Carbon 650b, 2018 Specialized Stumpjumper 27.5 Frameset.

Where each sits in its class

Specialized Stumpjumper FSR Comp Carbon 650bSpecialized 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 FSR Comp Carbon 650bComp Carbon 650bSpecialized Stumpjumper 27.5 FramesetS-Works Frameset
ForkRockShox Yari RC 27.5”not listed
Rear shockRockShox Monarch RTÖhlins STX
ShifterSRAM GXnot listed
DerailleurSRAM GXnot listed
CassetteSRAM XG-1150not listed
ChainSRAM PC-1110not listed
CranksetRace Face Aeffectnot listed
TireSpecialized Butcher, Specialized Slaughternot listed
RimRoval Traversenot listed
BrakeSRAM Guide Rnot listed
GripsSpecialized Sip Gripnot listed
Dropper postSpecialized Command Post IRccnot listed
SeatpostSpecialized Command Post IRccnot listed
SaddleSpecialized Henge Compnot listed

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet