Quiver

2018 Specialized Stumpjumper Pro 29/6Fattie vs 2017 Specialized Stumpjumper FSR 29

The Specialized Stumpjumper FSR 29 size closest to your M is the M. Compare the M instead

What changes on the Specialized Stumpjumper FSR 29

Compared with the Specialized Stumpjumper Pro 29/6Fattie in M, the Specialized Stumpjumper FSR 29 in L places the top of the head tube 28 mm higher and 18 mm further forward, relative to the bottom bracket. Its wheelbase is 30 mm longer, which can contribute to stability at speed.

Frame stack
+28 mm
Higher front end
Frame reach
+18 mm
Longer frame reach
Wheelbase
+30 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 29/6Fattie (M) and 2017 Specialized Stumpjumper FSR 29 (L), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Stumpjumper Pro 29/6Fattie is drawn in full with its measurements, and the Specialized Stumpjumper FSR 29 is the colored outline on top.J 1149

Specialized Stumpjumper Pro 29/6Fattie, MSpecialized Stumpjumper FSR 29, LDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Stumpjumper Pro 29/6Fattie MSpecialized Stumpjumper FSR 29 LDifference
Reach413mm431mm+18 mm
Stack618mm646mm+28 mm
Head tube angle67°67°±0.0°
Seat tube angle74°74°±0.0°
Effective top tube590mm616mm+26 mm
Chainstay length437mm437mm±0 mm
Wheelbase1149mm1179mm+30 mm
BB drop33mm33mm±0 mm
BB height338mmnot listed
Standover761mm770mm+9 mm
Seat tube length430mm468mm+38 mm
Fork length560mm560mm±0 mm
Head tube lengthnot listed125mm

Differences are the Specialized Stumpjumper FSR 29 minus the Specialized Stumpjumper Pro 29/6Fattie. Full charts: 2018 Specialized Stumpjumper Pro 29/6Fattie, 2017 Specialized Stumpjumper FSR 29.

Where each sits in its class

Specialized Stumpjumper Pro 29/6FattieSpecialized Stumpjumper FSR 29

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 29/6FattiePro 29/6FattieSpecialized Stumpjumper FSR 29S-Works 29
ForkÖhlins RXF 36Öhlins RXF 36
Rear shockÖhlins STXÖhlins STX
ShifterSRAM X01 EagleSRAM XX1 Eagle
DerailleurSRAM X01 EagleSRAM XX1 Eagle
CassetteSRAM X01 EagleSRAM X01 Eagle
ChainSRAM X01 EagleSRAM XX1 Eagle
CranksetTruVativ DescendantSRAM XX1 Eagle
TireSpecialized Butcher, Specialized PurgatorySpecialized Butcher, Specialized Slaughter
HubDT Swiss 350Roval Traverse, Roval Traverse SL
RimRoval TraverseRoval Traverse SL 29
BrakeSRAM Guide RSSRAM Guide RS
GripsSpecialized Sip GripSpecialized Sip Grip
SeatpostSpecialized Command Post IRccSpecialized Command Post IRcc
SaddleSpecialized Henge ExpertSpecialized Henge Expert
Stemnot listedSyntace F109
Dropper postnot listedSpecialized Command Post IRcc

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