Quiver

2015 Specialized Fatboy vs 2013 Salsa Mukluk

The XL is the Salsa Mukluk size closest to your XL Specialized Fatboy. 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 Mukluk

Compared with the Specialized Fatboy in XL, the Salsa Mukluk in XL places the top of the head tube 5 mm higher and 12 mm further back, relative to the bottom bracket.

Frame stack
+5 mm
Higher front end
Frame reach
−12 mm
Shorter frame reach
Wheelbase
n/a
One of the bikes has no number for this
Head angle
−1.0°
Slacker: calmer steering
Chainstays
n/a
One of the bikes has no number for this

The two frames

2015 Specialized Fatboy (XL)The Specialized Fatboy frame drawn to scale.J 1154

Only the Specialized Fatboy is drawn. The Salsa Mukluk numbers we have for size XL are missing the chainstay length.

Geometry side by side

MeasurementSpecialized Fatboy XLSalsa Mukluk XLDifference
Reach458mm446.1−12 mm
Stack629mm634.2+5 mm
Head tube angle70.5°69.5−1.0°
Seat tube angle73°73±0.0°
Effective top tube650mm640−10 mm
Chainstay length455mmnot listed
Wheelbase1154mm1151.8 – 1168.8 mm
BB drop60mm60±0 mm
BB height315mmnot listed
Standover849mm825−24 mm
Seat tube length533mm482.6−50 mm
Head tube length150mm150±0 mm
Fork lengthnot listed468

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

Where each sits in its class

Specialized FatboySalsa Mukluk

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 FatboyFatboySalsa Mukluk
ShifterSRAM Grip Shiftnot listed
DerailleurSRAM X-7not listed
ChainKMC X10Lnot listed
Cranksete*thirteen TRS+not listed
TireSpecialized Ground Control Fatnot listed
HubSpecialized Hi Lonot listed
RimSpecialized Fatboy SLnot listed
BrakeTektro Gemininot listed

Know what is on every bike.

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

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