Quiver

2022 Trek Speed Concept SLR vs 2020 Cervélo PX-Series Base

The XL is the Cervélo PX-Series Base size closest to your XL Trek Speed Concept SLR. 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 Cervélo PX-Series Base

Compared with the Trek Speed Concept SLR in XL, the Cervélo PX-Series Base in XL places the top of the head tube 13 mm lower and 3 mm further back, relative to the bottom bracket. Its wheelbase is 12 mm shorter, which can contribute to quicker direction changes.

Frame stack
−13 mm
Lower front end
Frame reach
−3 mm
Shorter frame reach
Wheelbase
−12 mm
Shorter: quicker to change direction
Head angle
±0.0°
About the same head angle
Chainstays
−5 mm
Shorter: livelier

The two frames

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

Geometry side by side

MeasurementTrek Speed Concept SLR XLCervélo PX-Series Base XLDifference
Reach445442−3 mm
Stack565552−13 mm
Head tube angle72.5°72.5±0.0°
Effective top tube565not listed
Chainstay length410405−5 mm
Wheelbase10471035−12 mm
BB drop8075−5 mm
Standover831783−48 mm
Seat tube length574not listed
Head tube length140156+16 mm
Seat tube anglenot listed78.5

Differences are the Cervélo PX-Series Base minus the Trek Speed Concept SLR. Full charts: 2022 Trek Speed Concept SLR, 2020 Cervélo PX-Series Base.

Where each sits in its class

Trek Speed Concept SLRCervélo PX-Series Base

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 SLRSLR 7Cervélo PX-Series BaseBase
FrameTrek OCLVCervélo PX-Series
ForkTrek SCCervélo PX
DerailleurShimano Ultegra Di2Shimano Dura-Ace Di2
WheelsetBontrager Aeolus Pro 51DT Swiss ARC 1100
TireBontrager R3Victoria Corsa Speed
BrakeShimano Dura-AceShimano Dura-Ace Di2
Shifternot listedShimano Dura-Ace Di2
Cassettenot listedShimano Dura-Ace
Chainnot listedShimano Dura-Ace DI2
Cranksetnot listedShimano Dura-Ace Di2
Chainringnot listedShimano Dura-Ace Di2
Rotornot listedShimano DURA-ACE
Handlebarnot listedCervélo P5X Basebar
Headsetnot listedFSA IS2
Seatpostnot listedCervélo SP21
Saddlenot listedIsm PS 1.0

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