Quiver

2015 Specialized Crux Expert EVO vs 2017 Trek Boone Disc Frameset

The 61 is the Trek Boone Disc Frameset size closest to your 61 Specialized Crux Expert EVO. 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 Boone Disc Frameset

Compared with the Specialized Crux Expert EVO in 61, the Trek Boone Disc Frameset in 61 places the top of the head tube 6 mm higher and 4 mm further forward, relative to the bottom bracket. Its wheelbase is 12 mm longer, which can contribute to stability at speed.

Frame stack
+6 mm
Higher front end
Frame reach
+4 mm
Longer frame reach
Wheelbase
+12 mm
Longer: steadier at speed
Head angle
−0.7°
Slacker: calmer steering
Chainstays
±0 mm
About the same

The two frames

2015 Specialized Crux Expert EVO (61)The Specialized Crux Expert EVO frame drawn to scale.J 1031

Only the Specialized Crux Expert EVO is drawn. The Trek Boone Disc Frameset numbers we have for size 61 are missing the seat angle.

Geometry side by side

MeasurementSpecialized Crux Expert EVO 61Trek Boone Disc Frameset 61Difference
Reach393mm397+4 mm
Stack618mm624+6 mm
Head tube angle73°72.3°−0.7°
Seat tube angle72.5°not listed
Effective top tube587mm588+1 mm
Chainstay length425mm425±0 mm
Wheelbase1031mm1043+12 mm
BB drop67mm65−2 mm
Standover862mm843−19 mm
Seat tube length600mm583−17 mm
Head tube length190mm205+15 mm

Differences are the Trek Boone Disc Frameset minus the Specialized Crux Expert EVO. Full charts: 2015 Specialized Crux Expert EVO, 2017 Trek Boone Disc Frameset.

Where each sits in its class

Specialized Crux Expert EVOTrek Boone 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 Expert EVOExpert EVOTrek Boone Disc FramesetBoone Disc Frameset
ShifterShimano Ultegranot listed
DerailleurShimano Ultegranot listed
CassetteShimano Ultegranot listed
ChainShimano Ultegranot listed
WheelsetSpecialized AXIS 4.0not listed
BrakeTRP HY/RDnot listed
SeatpostSpecialized CG-Rnot listed
SaddleSpecialized Toupe Compnot listed
Framenot listedTrek OCLV
Forknot listedTrek IsoSpeed Cross

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