2023 Trek Domane RSL Gen 4 vs 2021 Cannondale CAAD Optimo
The Cannondale CAAD Optimo size closest to your 58 is the 56. Compare the 56 instead
What changes on the Cannondale CAAD Optimo
Compared with the Trek Domane RSL Gen 4 in 58, the Cannondale CAAD Optimo in 48 places the top of the head tube 47 mm lower and 26 mm further back, relative to the bottom bracket. Its wheelbase is 47 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −47 mm
- Lower front end
- Frame reach
- −26 mm
- Shorter frame reach
- Wheelbase
- −47 mm
- Shorter: quicker to change direction
- Head angle
- −0.9°
- Slacker: calmer steering
- Chainstays
- −10 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Domane RSL Gen 4 numbers we have for size 58 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Domane RSL Gen 4 58 | Cannondale CAAD Optimo 48 | Difference |
|---|---|---|---|
| Reach | 400 | 374 | −26 mm |
| Stack | 567 | 520 | −47 mm |
| Head tube angle | 72.8° | 71.9 | −0.9° |
| Effective top tube | 573 | 520 | −53 mm |
| Chainstay length | 425 | 415 | −10 mm |
| Wheelbase | 1025 | 978 | −47 mm |
| BB drop | 78 | 74 | −4 mm |
| Standover | 787 | 709 | −78 mm |
| Seat tube length | 553 | 440 | −113 mm |
| Head tube length | 148 | 108 | −40 mm |
| Seat tube angle | not listed | 74.3 | |
| BB height | not listed | 268 |
Differences are the Cannondale CAAD Optimo minus the Trek Domane RSL Gen 4. Full charts: 2023 Trek Domane RSL Gen 4, 2021 Cannondale CAAD Optimo.
Where each sits in its class
Trek Domane RSL Gen 4Cannondale CAAD Optimo
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 Domane RSL Gen 4RSL Gen 4 | Cannondale CAAD Optimo1 |
|---|---|---|
| Fork | Trek Domane RSL | BallisTec |
| Frame | not listed | Cannondale SmartForm C2 |
| Shifter | not listed | Shimano 105 |
| Derailleur | not listed | Shimano 105, Shimano 105 GS |
| Cassette | not listed | Shimano 105 |
| Chain | not listed | KMC X11 |
| Crankset | not listed | FSA Gossamer |
| Bottom bracket | not listed | FSA MegaExo |
| Tire | not listed | Vittoria Zaffiro Pro |
| Rim | not listed | RS 2.0 |
| Brake | not listed | Tektro R741, Shimano 105 |
| Bar tape | not listed | Cannondale Tape |
| Headset | not listed | CAAD Optimo |
| Saddle | not listed | Cannondale Stage CX |
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