Quiver

2015 Specialized Crux Pro Race UDi2 vs 2017 Trek Crockett Disc Frameset

The 56 is the Trek Crockett Disc Frameset size closest to your 56 Specialized Crux Pro Race UDi2. 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 Crockett Disc Frameset

Compared with the Specialized Crux Pro Race UDi2 in 56, the Trek Crockett Disc Frameset in 56 places the top of the head tube 3 mm lower and 3 mm further forward, relative to the bottom bracket.

Frame stack
−3 mm
Lower front end
Frame reach
+3 mm
Longer frame reach
Wheelbase
−2 mm
About the same
Head angle
±0.0°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2015 Specialized Crux Pro Race UDi2 (56)The Specialized Crux Pro Race UDi2 frame drawn to scale.J 1022

Only the Specialized Crux Pro Race UDi2 is drawn. The Trek Crockett Disc Frameset numbers we have for size 56 are missing the seat angle.

Geometry side by side

MeasurementSpecialized Crux Pro Race UDi2 56Trek Crockett Disc Frameset 56Difference
Reach384mm387+3 mm
Stack583mm580−3 mm
Head tube angle72°72.0°±0.0°
Seat tube angle73.25°not listed
Effective top tube560mm558−2 mm
Chainstay length425mm425±0 mm
Wheelbase1022mm1020−2 mm
BB drop69mm68−1 mm
Standover825mm796−29 mm
Seat tube length550mm533−17 mm
Head tube length155mm157+2 mm

Differences are the Trek Crockett Disc Frameset minus the Specialized Crux Pro Race UDi2. Full charts: 2015 Specialized Crux Pro Race UDi2, 2017 Trek Crockett Disc Frameset.

Where each sits in its class

Specialized Crux Pro Race UDi2Trek Crockett Disc Frameset

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other gravel 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.

PartSpecialized Crux Pro Race UDi2Pro Race UDi2Trek Crockett Disc FramesetCrockett Disc Frameset
ShifterShimano 785 Di2not listed
DerailleurShimano Ultegra Di2not listed
CassetteShimano Ultegranot listed
ChainShimano Ultegranot listed
WheelsetRoval Control CXnot listed
TireSpecialized Terra Pronot listed
BrakeShimano 785not listed
SeatpostSpecialized CG-Rnot listed
SaddleSpecialized Phenom Compnot listed
Framenot listedTrek Alpha
Forknot listedTrek IsoSpeed Cross

Know what is on every bike.

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