2022 Trek Speed Concept SLR vs 2020 Cervélo PX-Series Base
The L is the Cervélo PX-Series Base size closest to your M 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 M, the Cervélo PX-Series Base in L places the top of the head tube 7 mm higher and 7 mm further forward, relative to the bottom bracket. Its wheelbase is 13 mm longer, which can contribute to stability at speed.
- Frame stack
- +7 mm
- Higher front end
- Frame reach
- +7 mm
- Longer frame reach
- Wheelbase
- +13 mm
- Longer: steadier at speed
- 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 M are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Speed Concept SLR M | Cervélo PX-Series Base L | Difference |
|---|---|---|---|
| Reach | 416 | 423 | +7 mm |
| Stack | 517 | 524 | +7 mm |
| Head tube angle | 72.5° | 72.5 | ±0.0° |
| Effective top tube | 518 | not listed | |
| Chainstay length | 410 | 405 | −5 mm |
| Wheelbase | 995 | 1008 | +13 mm |
| BB drop | 80 | 75 | −5 mm |
| Standover | 785 | 755 | −30 mm |
| Seat tube length | 525 | not listed | |
| Head tube length | 90 | 126 | +36 mm |
| Seat tube angle | not listed | 78.5 |
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
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.
| Part | Trek Speed Concept SLRSLR 7 | Cervélo PX-Series BaseBase |
|---|---|---|
| Frame | Trek OCLV | Cervélo PX-Series |
| Fork | Trek SC | Cervélo PX |
| Derailleur | Shimano Ultegra Di2 | Shimano Dura-Ace Di2 |
| Wheelset | Bontrager Aeolus Pro 51 | DT Swiss ARC 1100 |
| Tire | Bontrager R3 | Victoria Corsa Speed |
| Brake | Shimano Dura-Ace | Shimano Dura-Ace Di2 |
| Shifter | not listed | Shimano Dura-Ace Di2 |
| Cassette | not listed | Shimano Dura-Ace |
| Chain | not listed | Shimano Dura-Ace DI2 |
| Crankset | not listed | Shimano Dura-Ace Di2 |
| Chainring | not listed | Shimano Dura-Ace Di2 |
| Rotor | not listed | Shimano DURA-ACE |
| Handlebar | not listed | Cervélo P5X Basebar |
| Headset | not listed | FSA IS2 |
| Seatpost | not listed | Cervélo SP21 |
| Saddle | not listed | Ism PS 1.0 |
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