Quiver

2017 Trek Superfly vs 2018 Trek Procaliber SL Frameset

The S is the Trek Procaliber SL 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 Procaliber SL Frameset

Compared with the Trek Superfly in 24" kids', the Trek Procaliber SL Frameset in S places the top of the head tube 103 mm higher and 9 mm further forward, relative to the bottom bracket. Its wheelbase is 73 mm longer, which can contribute to stability at speed.

Frame stack
+103 mm
Higher front end
Frame reach
+9 mm
Longer frame reach
Wheelbase
+73 mm
Longer: steadier at speed
Head angle
−0.7°
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 Procaliber SL Frameset SDifference
Reach373382+9 mm
Stack480583+103 mm
Head tube angle70.0°69.3°−0.7°
Seat tube anglenot listednot listed
Effective top tube529558+29 mm
Chainstay lengthnot listed425
Wheelbase9801053+73 mm
BB drop3848+10 mm
BB heightnot listed302
Standover606727+121 mm
Seat tube length290394+104 mm
Head tube length105100−5 mm

Differences are the Trek Procaliber SL Frameset minus the Trek Superfly. Full charts: 2017 Trek Superfly, 2018 Trek Procaliber SL Frameset.

Where each sits in its class

Trek SuperflyTrek Procaliber SL 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 Procaliber SL FramesetSL Frameset
FrameTrek DialedTrek Super
ChainTrek Clarks C410not listed
Bottom bracketnot listedTrek PF92
Headsetnot listedFSA IS2

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