2026 Merida SCULTURA RIM vs 2025 Basso SV Shimano Dura Ace
The 45 is the Basso SV Shimano Dura Ace size closest to your 4XS Merida SCULTURA RIM. 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 Merida SCULTURA RIM in 4XS, the Basso SV Shimano Dura Ace in 45 places the top of the head tube 28 mm higher and 12 mm further forward, relative to the bottom bracket.
- Frame stack
- +28 mm
- Higher front end
- Frame reach
- +12 mm
- Longer frame reach
- Wheelbase
- −1 mm
- About the same
- Head angle
- +1.2°
- Steeper: sharper steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
Only the Merida SCULTURA RIM is drawn. The Basso SV Shimano Dura Ace numbers we have for size 45 are missing the chainstay length.
Geometry side by side
| Measurement | Merida SCULTURA RIM 4XS | Basso SV Shimano Dura Ace 45 | Difference |
|---|---|---|---|
| Reach | 358 | 370 | +12 mm |
| Stack | 492 | 520 | +28 mm |
| Head tube angle | 70 | 71.2 | +1.2° |
| Seat tube angle | 75 | 75.5 | +0.5° |
| Effective top tube | 490 | 505 | +15 mm |
| Chainstay length | 408 | not listed | |
| Wheelbase | 972 | 971 | −1 mm |
| BB drop | 70 | not listed | |
| Standover | 654 | 722 | +68 mm |
| Seat tube length | 380 | 420 | +40 mm |
| Fork length | 375 | not listed | |
| Head tube length | 95 | 115 | +20 mm |
Differences are the Basso SV Shimano Dura Ace minus the Merida SCULTURA RIM. Full charts: 2026 Merida SCULTURA RIM, 2025 Basso SV Shimano Dura Ace.
Where each sits in its class
Merida SCULTURA RIMBasso 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 | Merida SCULTURA RIMRIM 100 | Basso SV Shimano Dura AceShimano Dura Ace Di2 |
|---|---|---|
| Frame | Merida SCULTURA LITE BSA | Basso SV |
| Fork | Merida SCULTURA RIM CF2 | not listed |
| Derailleur | Shimano Sora, Shimano CUES U3020 | Shimano Dura-Ace R9250 |
| Cassette | SunRace U9 | Shimano Dura-Ace R9200 |
| Chain | KMC XGlide | Shimano Dura-Ace |
| Bottom bracket | FSA TH 7420ST | Shimano Dura-Ace R9200 |
| Tire | Maxxis Pursuer | Continental Grand Prix 5000 |
| Hub | Joytech Road seal bearing | not listed |
| Brake | Lee Chi ROAD Dual Pivot | Shimano Dura-Ace R9270 |
| Stem | Merida COMP CC | Basso Fuga Integrated |
| Headset | Merida M2339 Neck | not listed |
| Seatpost | Merida COMP CC | not listed |
| Shifter | not listed | Shimano Dura-Ace R9270 |
| Crankset | not listed | Shimano Dura-Ace R9200 |
| Chainring | not listed | Shimano 52, Shimano 36 |
| Wheelset | not listed | DT Swiss ARC 1100 |
| Rotor | not listed | Shimano Dura Ace Ice Rotor |
| Handlebar | not listed | Basso Fuga Integrated |
| Saddle | not listed | Selle Italia SLR Superflow |
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