2018 Trek Speed Concept vs 2020 Cervélo PX-Series Base

What changes on the Cervélo PX-Series Base

Compared with the Trek Speed Concept in M, the Cervélo PX-Series Base in S places the top of the head tube 49 mm lower and 22 mm further back, relative to the bottom bracket. Its wheelbase is 10 mm shorter, which can contribute to quicker direction changes.

Frame stack

−49 mm

Lower front end

Frame reach

−22 mm

Shorter frame reach

Wheelbase

−10 mm

Shorter: quicker to change direction

Head angle

−1.5°

Slacker: calmer steering

Chainstays

+5 mm

Longer: more planted

The two frames

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

Geometry side by side

Differences are the Cervélo PX-Series Base minus the Trek Speed Concept. Full charts: 2018 Trek Speed Concept, 2020 Cervélo PX-Series Base.

Where each sits in its class

Trek Speed ConceptCervélo PX-Series Base

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.