Quiver

2015 Specialized Crux Expert EVO vs 2017 Trek Boone Disc

The 54 is the Trek Boone Disc size closest to your 54 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

Compared with the Specialized Crux Expert EVO in 54, the Trek Boone Disc in 54 places the top of the head tube 4 mm lower and 4 mm further forward, relative to the bottom bracket. Its wheelbase is 6 mm shorter, which can contribute to quicker direction changes.

Frame stack
−4 mm
Lower front end
Frame reach
+4 mm
Longer frame reach
Wheelbase
−6 mm
Shorter: quicker to change direction
Head angle
+0.5°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

2015 Specialized Crux Expert EVO (54)The Specialized Crux Expert EVO frame drawn to scale.J 1016

Only the Specialized Crux Expert EVO is drawn. The Trek Boone Disc numbers we have for size 54 are missing the seat angle.

Geometry side by side

MeasurementSpecialized Crux Expert EVO 54Trek Boone Disc 54Difference
Reach379mm383+4 mm
Stack566mm562−4 mm
Head tube angle71.5°72.0°+0.5°
Seat tube angle73.5°not listed
Effective top tube548mm544−4 mm
Chainstay length425mm425±0 mm
Wheelbase1016mm1010−6 mm
BB drop69mm68−1 mm
Standover809mm779−30 mm
Seat tube length530mm513−17 mm
Head tube length140mm138−2 mm

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

Where each sits in its class

Specialized Crux Expert EVOTrek Boone Disc

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 Disc5 Disc
ShifterShimano UltegraShimano RS685
DerailleurShimano UltegraShimano 105
CassetteShimano UltegraShimano 105
ChainShimano UltegraShimano 105
WheelsetSpecialized AXIS 4.0not listed
BrakeTRP HY/RDShimano RS685
SeatpostSpecialized CG-RBontrager Tuned
SaddleSpecialized Toupe CompBontrager Paradigm
Framenot listedTrek OCLV
Forknot listedTrek IsoSpeed Cross
Cranksetnot listedFSA Energy Cross
Bottom bracketnot listedTrek BB90
Tirenot listedBontrager CX3 Team Issue
Handlebarnot listedBontrager VR-C

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