Quiver

2027 Trek Farley AL vs 2027 Trek Farley C Frameset

The XL is the Trek Farley C Frameset size closest to your L Trek Farley AL. 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 Trek Farley C Frameset

Compared with the Trek Farley AL in L, the Trek Farley C Frameset in XL places the top of the head tube 6 mm higher and 6 mm further back, relative to the bottom bracket. Its wheelbase is 5 mm longer, which can contribute to stability at speed.

Frame stack
+6 mm
Higher front end
Frame reach
−6 mm
Shorter frame reach
Wheelbase
+5 mm
Longer: steadier at speed
Head angle
+0.5°
Steeper: sharper steering
Chainstays
+5 mm
Longer: more planted

The two frames

2027 Trek Farley AL (L) and 2027 Trek Farley C Frameset (XL), lined up at the bottom bracketBoth frames drawn to scale. The Trek Farley AL is drawn in full with its measurements, and the Trek Farley C Frameset is the colored outline on top.J 1166

Trek Farley AL, LTrek Farley C Frameset, XLDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementTrek Farley AL LTrek Farley C Frameset XLDifference
Reach460454−6 mm
Stack613619+6 mm
Head tube angle68.5°69.0°+0.5°
Seat tube angle74.0°73.0°−1.0°
Effective top tube633644+11 mm
Chainstay length450455+5 mm
Wheelbase11661171+5 mm
BB drop6567+2 mm
BB height320321+1 mm
Standover760774+14 mm
Seat tube length450521+71 mm
Head tube length115120+5 mm

Differences are the Trek Farley C Frameset minus the Trek Farley AL. Full charts: 2027 Trek Farley AL, 2027 Trek Farley C Frameset.

Where each sits in its class

Trek Farley ALTrek Farley C 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.

PartTrek Farley ALALTrek Farley C FramesetFarley C Frameset
ForkTrek FarleyTrek Farley
Headsetnot listedBontrager Expander Plug

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