Quiver

2012 Trek Speed Concept 9.8 vs 2011 Specialized Allez Steel Double

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 Allez Steel Double

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
−3 mm
Shorter: quicker to change direction
Head angle
±0.0°
About the same head angle
Chainstays
+5 mm
Longer: more planted

The two frames

We can't draw these frames yet. The Trek Speed Concept 9.8 numbers we have for size M are missing the seat angle. The numbers below still compare.

Geometry side by side

MeasurementTrek Speed Concept 9.8 MSpecialized Allez Steel Double 54Difference
Reach408not listed
Stack517not listed
Head tube angle72.5°72.5°±0.0°
Effective top tube518not listed
Chainstay length400405mm+5 mm
Wheelbase985982mm−3 mm
BB drop80not listed
Standover775791mm+16 mm
Seat tube length529560mm+31 mm
Head tube length101122mm+21 mm
Seat tube anglenot listed73.5°

Differences are the Specialized Allez Steel Double minus the Trek Speed Concept 9.8. Full charts: 2012 Trek Speed Concept 9.8, 2011 Specialized Allez Steel Double.

Where each sits in its class

Trek Speed Concept 9.8Specialized Allez Steel Double

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 9.89.8Specialized Allez Steel DoubleSteel Double
FrameTrek OCLVReynolds 520
ForkBontrager SCSpecialized Allez
ShifterSRAM 900 TTShimano R400
CassetteSRAM OG-1070Shimano HG50
CranksetSRAM ForceShimano 2300
Bottom bracketTrek BB90not listed
WheelsetBontrager Aura 5not listed
TireBontrager R4Specialized All Condition Sport
BrakeBontrager Conceptnot listed
HandlebarBontrager Conceptnot listed
StemBontrager ConceptSpecialized Elite-Set
SeatpostBontrager Conceptnot listed
Saddlefizik Airone Tri2Specialized Riva
Derailleurnot listedShimano 2300
Chainnot listedKMC Z51
Rimnot listedMavic CXP22

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