Quiver

2015 Specialized Crux Sport E5 vs 2017 Trek Boone Disc

The 56 is the Trek Boone Disc size closest to your 56 Specialized Crux Sport E5. 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 Sport E5 in 56, the Trek Boone Disc 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 Sport E5 (56)The Specialized Crux Sport E5 frame drawn to scale.J 1022

Only the Specialized Crux Sport E5 is drawn. The Trek Boone Disc numbers we have for size 56 are missing the seat angle.

Geometry side by side

MeasurementSpecialized Crux Sport E5 56Trek Boone Disc 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 length560mm533−27 mm
Head tube length155mm157+2 mm

Differences are the Trek Boone Disc minus the Specialized Crux Sport E5. Full charts: 2015 Specialized Crux Sport E5, 2017 Trek Boone Disc.

Where each sits in its class

Specialized Crux Sport E5Trek 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 Sport E5Sport E5Trek Boone Disc5 Disc
ShifterShimano 105Shimano RS685
DerailleurShimano 105Shimano 105
CassetteShimano 105Shimano 105
ChainShimano 105Shimano 105
CranksetFSA GossamerFSA Energy Cross
WheelsetSpecialized AXIS 2.0not listed
TireSpecialized Tracer SportBontrager CX3 Team Issue
BrakeTRP HY/RDShimano RS685
SaddleSpecialized Phenom CompBontrager Paradigm
Framenot listedTrek OCLV
Forknot listedTrek IsoSpeed Cross
Bottom bracketnot listedTrek BB90
Handlebarnot listedBontrager VR-C
Seatpostnot listedBontrager Tuned

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet