2024 Basso Diamante SRAM vs 2025 Basso SV Shimano Dura Ace
The 51 is the Basso SV Shimano Dura Ace size closest to your 51 Basso Diamante SRAM. 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 Basso SV Shimano Dura Ace
Compared with the Basso Diamante SRAM in 51, the Basso SV Shimano Dura Ace in 51 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.
- Frame stack
- +1 mm
- About the same height
- Frame reach
- +1 mm
- About the same reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- +0.4°
- Steeper: sharper steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Basso Diamante SRAM numbers we have for size 51 are missing the wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | Basso Diamante SRAM 51 | Basso SV Shimano Dura Ace 51 | Difference |
|---|---|---|---|
| Reach | 378.6 | 380 | +1 mm |
| Stack | 546.2 | 547 | +1 mm |
| Head tube angle | 71.6 | 72 | +0.4° |
| Seat tube angle | 75 | 74.7 | −0.3° |
| Effective top tube | 525 | 530 | +5 mm |
| Chainstay length | 400 | not listed | |
| Seat tube length | 510 | 485 | −25 mm |
| Head tube length | 126 | 140 | +14 mm |
| Wheelbase | not listed | 982 | |
| Standover | not listed | 772 |
Differences are the Basso SV Shimano Dura Ace minus the Basso Diamante SRAM. Full charts: 2024 Basso Diamante SRAM, 2025 Basso SV Shimano Dura Ace.
Where each sits in its class
Basso Diamante SRAMBasso SV Shimano Dura Ace
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 | Basso Diamante SRAM | Basso SV Shimano Dura AceShimano Dura Ace Di2 |
|---|---|---|
| Frame | not listed | Basso SV |
| Shifter | not listed | Shimano Dura-Ace R9270 |
| Derailleur | not listed | Shimano Dura-Ace R9250 |
| Cassette | not listed | Shimano Dura-Ace R9200 |
| Chain | not listed | Shimano Dura-Ace |
| Crankset | not listed | Shimano Dura-Ace R9200 |
| Chainring | not listed | Shimano 52, Shimano 36 |
| Bottom bracket | not listed | Shimano Dura-Ace R9200 |
| Wheelset | not listed | DT Swiss ARC 1100 |
| Tire | not listed | Continental Grand Prix 5000 |
| Brake | not listed | Shimano Dura-Ace R9270 |
| Rotor | not listed | Shimano Dura Ace Ice Rotor |
| Handlebar | not listed | Basso Fuga Integrated |
| Stem | not listed | Basso Fuga Integrated |
| Saddle | not listed | Selle Italia SLR Superflow |
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