2026 Cannondale Topstone Carbon SmartSense SMU vs 2025 3T Exploro Ultra 700c
The 3T Exploro Ultra 700c size closest to your 54.0 is the 56. Compare the 56 instead
What changes on the 3T Exploro Ultra 700c
Compared with the Cannondale Topstone Carbon SmartSense SMU in 54.0, the 3T Exploro Ultra 700c in 51 places the top of the head tube 37 mm lower and 16 mm further back, relative to the bottom bracket.
- Frame stack
- −37 mm
- Lower front end
- Frame reach
- −16 mm
- Shorter frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −1.2°
- Slacker: calmer steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
Only the Cannondale Topstone Carbon SmartSense SMU is drawn. The 3T Exploro Ultra 700c numbers we have for size 51 are missing the seat angle, chainstay length and wheelbase.
Geometry side by side
| Measurement | Cannondale Topstone Carbon SmartSense SMU 54.0 | 3T Exploro Ultra 700c 51 | Difference |
|---|---|---|---|
| Reach | 378 | 362 | −16 mm |
| Stack | 579 | 542 | −37 mm |
| Head tube angle | 70.7 | 69.5 | −1.2° |
| Seat tube angle | 73.1 | not listed | |
| Effective top tube | 554 | not listed | |
| Chainstay length | 420 | not listed | |
| Wheelbase | 1026 | not listed | |
| BB drop | 76 | 79 | +3 mm |
| BB height | 283 | not listed | |
| Standover | 772 | not listed | |
| Seat tube length | 482 | not listed | |
| Head tube length | 123 | 142 | +19 mm |
| Fork length | not listed | 375 |
Differences are the 3T Exploro Ultra 700c minus the Cannondale Topstone Carbon SmartSense SMU. Full charts: 2026 Cannondale Topstone Carbon SmartSense SMU, 2025 3T Exploro Ultra 700c.
Where each sits in its class
Cannondale Topstone Carbon SmartSense SMU3T Exploro Ultra 700c
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 SmartSense SMU2 AXS SmartSense SMU | 3T Exploro Ultra 700cGRX 1X12 700c |
|---|---|---|
| Frame | Cannondale Topstone | 3T Exploro Ultra |
| Fork | Topstone | Fango Ultra |
| Shifter | SRAM Apex AXS | Shimano GRX Di2 |
| Derailleur | SRAM GX Eagle AXS | Shimano GRX Di2 |
| Cassette | SRAM Eagle 70 Transmission | Shimano XT M8100 |
| Chain | SRAM Apex | not listed |
| Crankset | SRAM Apex 1 | Shimano GRX FC-RX600 |
| Bottom bracket | SRAM DUB | not listed |
| Tire | WTB Vulpine TCS | variable |
| Rim | WTB KOM Team i25 TCS | not listed |
| Brake | SRAM Apex | Shimano GRX Di2 |
| Handlebar | Cannondale ShortDrop | 3T variable |
| Stem | Cannondale C1 Conceal | 3T Apto Stealth |
| Grips | Cannondale KnurlCork | not listed |
| Headset | Acros IS52/40 ICR | not listed |
| Saddle | fizik Terra Argo X7 | variable |
| Wheelset | not listed | Fulcrum Rapid 900 |
| Seatpost | not listed | 3T round |
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