Quiver

2015 Specialized Fatboy Expert vs 2013 Salsa Beargrease

The M is the Salsa Beargrease size closest to your M Specialized Fatboy Expert. 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 Salsa Beargrease

Compared with the Specialized Fatboy Expert in M, the Salsa Beargrease in M places the top of the head tube 11 mm higher and about as far forward, relative to the bottom bracket.

Frame stack
+11 mm
Higher front end
Frame reach
−2 mm
About the same reach
Wheelbase
n/a
One of the bikes has no number for this
Head angle
−1.0°
Slacker: calmer steering
Chainstays
±0 mm
About the same

The two frames

2015 Specialized Fatboy Expert (M)The Specialized Fatboy Expert frame drawn to scale.J 1105

Only the Specialized Fatboy Expert is drawn. The Salsa Beargrease numbers we have for size M are missing the wheelbase.

Geometry side by side

MeasurementSpecialized Fatboy Expert MSalsa Beargrease MDifference
Reach420mm418.2−2 mm
Stack600mm611.1+11 mm
Head tube angle70.5°69.5−1.0°
Seat tube angle73°73±0.0°
Effective top tube603mm605+2 mm
Chainstay length455mm455±0 mm
Wheelbase1105mmnot listed
BB drop60mm63+3 mm
BB height315mmnot listed
Standover793mm748.1−45 mm
Seat tube length445mmnot listed
Head tube length120mmnot listed
Fork lengthnot listed468

Differences are the Salsa Beargrease minus the Specialized Fatboy Expert. Full charts: 2015 Specialized Fatboy Expert, 2013 Salsa Beargrease.

Where each sits in its class

Specialized Fatboy ExpertSalsa Beargrease

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other fat 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 Fatboy ExpertExpertSalsa Beargrease
ShifterSRAM Grip Shiftnot listed
DerailleurSRAM X-7, SRAM X0not listed
ChainKMC X10Lnot listed
Cranksete*thirteen TRS+not listed
PedalsSpecialized Benniesnot listed
TireSpecialized Ground Control Fatnot listed
HubSpecialized Hi Lonot listed
RimSpecialized Fatboy SLnot listed
BrakeShimano Deore M506not listed

Know what is on every bike.

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