Quiver

2015 Trek Superfly vs 2016 Trek X-Caliber Frameset

The XS is the Trek X-Caliber Frameset size closest to your 24" kids' 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 24" kids', the Trek X-Caliber Frameset in XS places the top of the head tube 86 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 56 mm longer, which can contribute to stability at speed.

Frame stack
+86 mm
Higher front end
Frame reach
+2 mm
About the same reach
Wheelbase
+56 mm
Longer: steadier at speed
Head angle
−0.8°
Slacker: calmer steering
Chainstays
n/a
One of the bikes has no number for this

The two frames

We can't draw these frames yet. The Trek Superfly numbers we have for size 24" kids' are missing the seat angle and chainstay length. The numbers below still compare.

Geometry side by side

MeasurementTrek Superfly 24" kids'Trek X-Caliber Frameset XSDifference
Reach373375+2 mm
Stack480566+86 mm
Head tube angle70.0°69.2°−0.8°
Seat tube anglenot listednot listed
Effective top tube529538+9 mm
Chainstay lengthnot listed425
Wheelbase9801036+56 mm
BB drop3858+20 mm
BB heightnot listed296
Standover606708+102 mm
Seat tube length290343+53 mm
Head tube length10590−15 mm

Differences are the Trek X-Caliber Frameset minus the Trek Superfly. Full charts: 2015 Trek Superfly, 2016 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 Frameset2016 Frameset
FrameTrek DialedTrek Alpha Gold
ChainTrek Clarks C410not listed

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