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2017 Trek Superfly vs 2018 Trek Procaliber SL Frameset

The Trek Procaliber SL Frameset size closest to your L is the L. Compare the L instead

What changes on the Trek Procaliber SL Frameset

Compared with the Trek Superfly in L, the Trek Procaliber SL Frameset in ML places the top of the head tube 6 mm lower and 16 mm further back, relative to the bottom bracket. Its wheelbase is 18 mm shorter, which can contribute to quicker direction changes.

Frame stack
−6 mm
Lower front end
Frame reach
−16 mm
Shorter frame reach
Wheelbase
−18 mm
Shorter: quicker to change direction
Head angle
−0.1°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2017 Trek Superfly (L)The Trek Superfly frame drawn to scale.J 1131

Only the Trek Superfly is drawn. The Trek Procaliber SL Frameset numbers we have for size ML are missing the seat angle.

Geometry side by side

MeasurementTrek Superfly LTrek Procaliber SL Frameset MLDifference
Reach443427−16 mm
Stack601595−6 mm
Head tube angle69.6°69.5°−0.1°
Seat tube angle72.0°not listed
Effective top tube639617−22 mm
Chainstay length435435±0 mm
Wheelbase11311113−18 mm
BB drop5858±0 mm
BB height311311±0 mm
Standover795764−31 mm
Seat tube length470445−25 mm
Head tube length10090−10 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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