2021 Cannondale Topstone Carbon Lefty vs 2019 Specialized Crux
The 46 is the Specialized Crux size closest to your XS Cannondale Topstone Carbon Lefty. 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 Specialized Crux
Compared with the Cannondale Topstone Carbon Lefty in XS, the Specialized Crux in 46 places the top of the head tube 5 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 8 mm longer, which can contribute to stability at speed.
- Frame stack
- +5 mm
- Higher front end
- Frame reach
- −2 mm
- About the same reach
- Wheelbase
- +8 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- +10 mm
- Longer: more planted
The two frames
Cannondale Topstone Carbon Lefty, XSSpecialized Crux, 46Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Cannondale Topstone Carbon Lefty XS | Specialized Crux 46 | Difference |
|---|---|---|---|
| Reach | 368 | 366mm | −2 mm |
| Stack | 518 | 523mm | +5 mm |
| Head tube angle | 70 | 69.5° | −0.5° |
| Seat tube angle | 73.1 | 75.5° | +2.4° |
| Effective top tube | 525 | 501mm | −24 mm |
| Chainstay length | 415 | 425mm | +10 mm |
| Wheelbase | 999 | 1007mm | +8 mm |
| BB drop | 69 | 71mm | +2 mm |
| BB height | 268 | 281.5mm | +14 mm |
| Standover | 710 | 763.5mm | +54 mm |
| Seat tube length | 410 | 470mm | +60 mm |
| Head tube length | 97 | 100mm | +3 mm |
| Fork length | not listed | 400mm |
Differences are the Specialized Crux minus the Cannondale Topstone Carbon Lefty. Full charts: 2021 Cannondale Topstone Carbon Lefty, 2019 Specialized Crux.
Where each sits in its class
Cannondale Topstone Carbon LeftySpecialized Crux
Each bike is ranked against the other gravel 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 | Cannondale Topstone Carbon LeftyLefty 1 | Specialized CruxS-Works |
|---|---|---|
| Frame | Cannondale BallisTec | not listed |
| Fork | Lefty Oliver | not listed |
| Shifter | SRAM Force eTap AXS HRD | Shimano Dura-Ace R9170 Di2 shift |
| Derailleur | SRAM X01 Eagle eTap AXS | Shimano XTR M9050 Di2 |
| Cassette | SRAM PG-1295 | Shimano Ultegra |
| Chain | SRAM X01 Eagle | Shimano Dura-Ace |
| Crankset | SRAM Force AXS | Specialized S-Works Power |
| Chainring | SRAM Force AXS 40t | Praxis Wave Tech |
| Bottom bracket | SRAM DUB | not listed |
| Pedals | Not | not listed |
| Wheelset | Cannondale HollowGram 23 Superlight Hi-Impact | Roval CLX 50 |
| Tire | WTB Venture TCS Light | Specialized Tracer Pro |
| Rim | HollowGram 23 | not listed |
| Brake | SRAM Force eTap AXS, SRAM Force AXS | Shimano Dura-Ace |
| Handlebar | HollowGram SAVE SystemBar | not listed |
| Stem | HollowGram SAVE | not listed |
| Bar tape | Cannondale Tape | not listed |
| Seatpost | HollowGram SAVE | not listed |
| Saddle | Fabric Scoop | Specialized S-Works Phenom |
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