Quiver

2018 Specialized Enduro Coil 29/6Fattie vs 2020 Specialized Stumpjumper ST Alloy 27.5

The L is the Specialized Stumpjumper ST Alloy 27.5 size closest to your L Specialized Enduro Coil 29/6Fattie. 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 ST Alloy 27.5

Compared with the Specialized Enduro Coil 29/6Fattie in L, the Specialized Stumpjumper ST Alloy 27.5 in L places the top of the head tube 4 mm higher and 7 mm further back, relative to the bottom bracket. Its wheelbase is 6 mm shorter, which can contribute to quicker direction changes.

Frame stack
+4 mm
Higher front end
Frame reach
−7 mm
Shorter frame reach
Wheelbase
−6 mm
Shorter: quicker to change direction
Head angle
−0.5°
Slacker: calmer steering
Chainstays
−1 mm
About the same

The two frames

2018 Specialized Enduro Coil 29/6Fattie (L) and 2020 Specialized Stumpjumper ST Alloy 27.5 (L), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Enduro Coil 29/6Fattie is drawn in full with its measurements, and the Specialized Stumpjumper ST Alloy 27.5 is the colored outline on top.J 1218

Specialized Enduro Coil 29/6Fattie, LSpecialized Stumpjumper ST Alloy 27.5, LDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Enduro Coil 29/6Fattie LSpecialized Stumpjumper ST Alloy 27.5 LDifference
Reach462mm455mm−7 mm
Stack619mm623mm+4 mm
Head tube angle66°65.5°−0.5°
Seat tube angle76.5°74.6°−1.9°
Effective top tube611mmnot listed
Chainstay length433mm432mm−1 mm
Wheelbase1218mm1212mm−6 mm
BB drop19mm21mm+2 mm
BB height354mm336mm−18 mm
Standover781mm769mm−12 mm
Seat tube length467mm455mm−12 mm
Fork length569mm542mm−27 mm
Head tube length110mm140mm+30 mm

Differences are the Specialized Stumpjumper ST Alloy 27.5 minus the Specialized Enduro Coil 29/6Fattie. Full charts: 2018 Specialized Enduro Coil 29/6Fattie, 2020 Specialized Stumpjumper ST Alloy 27.5.

Where each sits in its class

Specialized Enduro Coil 29/6FattieSpecialized Stumpjumper ST Alloy 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 Enduro Coil 29/6FattieCoil 29/6FattieSpecialized Stumpjumper ST Alloy 27.5
ForkÖhlins RXF 36not listed
Rear shockÖhlins TTXnot listed
ShifterSRAM GXnot listed
DerailleurSRAM GXnot listed
CassetteSRAM XG-1150not listed
ChainKMC X-11not listed
CranksetRace Face Aeffectnot listed
TireSpecialized Butchernot listed
RimRoval Traversenot listed
BrakeSRAM Code Rnot listed
GripsSpecialized Sip Gripnot listed
SeatpostSpecialized Command Post IRcc WUnot listed
SaddleSpecialized Henge Compnot listed

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