Quiver

2018 Specialized Fatboy vs 2020 Salsa Mukluk Carbon

The XS is the Salsa Mukluk Carbon size closest to your S 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 Carbon

Compared with the Specialized Fatboy in S, the Salsa Mukluk Carbon in XS places the top of the head tube at about the same height and 3 mm further back, relative to the bottom bracket. Its wheelbase is 6 mm shorter, which can contribute to quicker direction changes.

Frame stack
+3 mm
About the same height
Frame reach
−3 mm
Shorter frame reach
Wheelbase
−6 mm
Shorter: quicker to change direction
Head angle
−1.5°
Slacker: calmer steering
Chainstays
n/a
One of the bikes has no number for this

The two frames

2018 Specialized Fatboy (S)The Specialized Fatboy frame drawn to scale.J 1083

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

Geometry side by side

MeasurementSpecialized Fatboy SSalsa Mukluk Carbon XSDifference
Reach395mm391.8−3 mm
Stack590mm592.7+3 mm
Head tube angle70.5°69−1.5°
Seat tube angle73°73±0.0°
Effective top tube576mm573−3 mm
Chainstay length455mmnot listed
Wheelbase1083mm1077.1−6 mm
BB drop60mm63+3 mm
BB height316mmnot listed
Standover754mm656.5−98 mm
Seat tube length394mm381−13 mm
Fork length467mm483+16 mm
Head tube length110mm103−7 mm

Differences are the Salsa Mukluk Carbon minus the Specialized Fatboy. Full charts: 2018 Specialized Fatboy, 2020 Salsa Mukluk Carbon.

Where each sits in its class

Specialized FatboySalsa Mukluk Carbon

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 Carbon
ShifterSRAM NXnot listed
DerailleurSRAM NXnot listed
CassetteSRAM NXnot listed
ChainKMC X-11not listed
CranksetRace Face Aeffectnot listed
TireSpecialized Ground Control Fatnot listed
HubSpecialized Stout Pro 150not listed
RimSpecialized Stout XC 80not listed
BrakeSRAM Level Tnot listed
HandlebarSpecialized Stoutnot listed
GripsSpecialized Sip Gripnot listed
SaddleSpecialized Henge Compnot listed

Know what is on every bike.

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