Quiver

2016 Trek Superfly vs 2018 Trek X-Caliber Frameset

The L is the Trek X-Caliber Frameset size closest to your XL Trek Superfly. 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 X-Caliber Frameset

Compared with the Trek Superfly in XL, the Trek X-Caliber Frameset in L places the top of the head tube 10 mm lower and 8 mm further back, relative to the bottom bracket. Its wheelbase is 5 mm shorter, which can contribute to quicker direction changes.

Frame stack
−10 mm
Lower front end
Frame reach
−8 mm
Shorter frame reach
Wheelbase
−5 mm
Shorter: quicker to change direction
Head angle
−0.3°
About the same head angle
Chainstays
+3 mm
Longer: more planted

The two frames

2016 Trek Superfly (XL)The Trek Superfly frame drawn to scale.J 1152

Only the Trek Superfly is drawn. The Trek X-Caliber Frameset numbers we have for size L are missing the seat angle.

Geometry side by side

MeasurementTrek Superfly XLTrek X-Caliber Frameset LDifference
Reach457449−8 mm
Stack619609−10 mm
Head tube angle69.6°69.3°−0.3°
Seat tube angle72.0°not listed
Effective top tube659634−25 mm
Chainstay length435438+3 mm
Wheelbase11521147−5 mm
BB drop5858±0 mm
BB height311316+5 mm
Standover823753−70 mm
Seat tube length521470−51 mm
Head tube length120100−20 mm

Differences are the Trek X-Caliber Frameset minus the Trek Superfly. Full charts: 2016 Trek Superfly, 2018 Trek X-Caliber Frameset.

Where each sits in its class

Trek SuperflyTrek X-Caliber Frameset

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other XC 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 Superfly16Trek X-Caliber FramesetX-Caliber Frameset
FrameTrek DialedTrek Alpha Gold
ChainTrek Clarks C410not 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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