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2013 Salsa Beargrease vs 2015 Specialized Fatboy Frameset

The Specialized Fatboy Frameset size closest to your M is the M. Compare the M instead

What changes on the Specialized Fatboy Frameset

Compared with the Salsa Beargrease in M, the Specialized Fatboy Frameset in XL places the top of the head tube 18 mm higher and 40 mm further forward, relative to the bottom bracket.

Frame stack
+18 mm
Higher front end
Frame reach
+40 mm
Longer frame reach
Wheelbase
n/a
One of the bikes has no number for this
Head angle
+1.0°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

We can't draw these frames yet. The Salsa Beargrease numbers we have for size M are missing the wheelbase. The numbers below still compare.

Geometry side by side

MeasurementSalsa Beargrease MSpecialized Fatboy Frameset XLDifference
Reach418.2458mm+40 mm
Stack611.1629mm+18 mm
Head tube angle69.570.5°+1.0°
Seat tube angle7373°±0.0°
Effective top tube605650mm+45 mm
Chainstay length455455mm±0 mm
BB drop6360mm−3 mm
Standover748.1849mm+101 mm
Seat tube lengthnot listed533mm
Fork length468not listed
Head tube lengthnot listed150mm
Wheelbasenot listed1154mm
BB heightnot listed315mm

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

Where each sits in its class

Salsa BeargreaseSpecialized Fatboy Frameset

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.

PartSalsa BeargreaseSpecialized Fatboy FramesetFrameset
Cranksetnot listede*thirteen TRS+

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