Quiver

2013 Trek Speed Concept 7.8 vs 2011 Specialized Roubaix SL3 Expert Compact

We can't match sizes for these two: one of them has no stack and reach for the sizes shown.

What changes on the Specialized Roubaix SL3 Expert Compact

Frame stack
n/a
One of the bikes has no number for this
Frame reach
n/a
One of the bikes has no number for this
Wheelbase
+44 mm
Longer: steadier at speed
Head angle
±0.0°
About the same head angle
Chainstays
+18 mm
Longer: more planted

The two frames

We can't draw these frames yet. The Trek Speed Concept 7.8 numbers we have for size M are missing the seat angle. The numbers below still compare.

Geometry side by side

MeasurementTrek Speed Concept 7.8 MSpecialized Roubaix SL3 Expert Compact 58Difference
Reach408not listed
Stack517not listed
Head tube angle72.5°72.5°±0.0°
Effective top tube518not listed
Chainstay length400418mm+18 mm
Wheelbase9851029mm+44 mm
BB drop80not listed
Standover775829mm+54 mm
Seat tube length529540mm+11 mm
Head tube length101225mm+124 mm
Seat tube anglenot listed73°

Differences are the Specialized Roubaix SL3 Expert Compact minus the Trek Speed Concept 7.8. Full charts: 2013 Trek Speed Concept 7.8, 2011 Specialized Roubaix SL3 Expert Compact.

Where each sits in its class

Trek Speed Concept 7.8Specialized Roubaix SL3 Expert Compact

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other road 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 Speed Concept 7.87.8Specialized Roubaix SL3 Expert CompactSL3 Expert Compact
FrameTrek OCLVnot listed
ForkTrek SC KVFnot listed
ShifterSRAM 500 TTnot listed
CassetteSRAM PG 1070not listed
CranksetSRAM ForceShimano Ultegra
WheelsetBontrager Aura 5not listed
TireBontrager R3not listed
BrakeSRAM Forcenot listed
SeatpostBontrager Conceptnot listed
SaddleBontrager RXL Hilonot listed

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