2019 Cannondale F-Si Carbon vs 2021 Merida BIG.NINE
The M is the Merida BIG.NINE size closest to your M (29") Cannondale F-Si Carbon. 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 Merida BIG.NINE
Compared with the Cannondale F-Si Carbon in M (29"), the Merida BIG.NINE in M places the top of the head tube 10 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 9 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +10 mm
- Higher front end
- Frame reach
- +1 mm
- About the same reach
- Wheelbase
- −9 mm
- Shorter: quicker to change direction
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- +6 mm
- Longer: more planted
The two frames
Cannondale F-Si Carbon, M (29")Merida BIG.NINE, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Cannondale F-Si Carbon M (29") | Merida BIG.NINE M | Difference |
|---|---|---|---|
| Reach | 420 | 421 | +1 mm |
| Stack | 612 | 622 | +10 mm |
| Head tube angle | 69 | 70 | +1.0° |
| Seat tube angle | 73.1 | 73.5 | +0.4° |
| Effective top tube | 606 | 605 | −1 mm |
| Chainstay length | 427 | 433 | +6 mm |
| Wheelbase | 1110 | 1101 | −9 mm |
| BB drop | 62 | 65 | +3 mm |
| BB height | 308 | not listed | |
| Standover | 793 | 744 | −49 mm |
| Seat tube length | 430 | 444 | +14 mm |
| Head tube length | 101 | 100 | −1 mm |
| Fork length | not listed | 506 |
Differences are the Merida BIG.NINE minus the Cannondale F-Si Carbon. Full charts: 2019 Cannondale F-Si Carbon, 2021 Merida BIG.NINE.
Where each sits in its class
Cannondale F-Si CarbonMerida BIG.NINE
Each bike is ranked against the other XC 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 F-Si Carbon5 | Merida BIG.NINE15 |
|---|---|---|
| Frame | Cannondale F-Si | Merida BIG.NINE SPEED |
| Fork | RockShox Reba RL | SR Suntour XCT30 |
| Shifter | SRAM NX Eagle | Shimano ST-EF505 |
| Derailleur | SRAM NX Eagle | Shimano FD-TY700, Shimano Acera M310 |
| Cassette | SRAM NX Eagle | SunRace CSM668 |
| Chain | SRAM NX Eagle | SunRace M84 |
| Crankset | TruVativ Stylo | not listed |
| Bottom bracket | Cannondale PressFit30 | FSA TH-7420ST-W |
| Tire | Schwalbe Ray Performance 29, Schwalbe Racing Ralph | Merida K1080 |
| Hub | Formula 15x110 front, Formula 12x148 rear, HG driver | Shimano TX505 |
| Rim | WTB STX i23 TCS | Merida CC |
| Brake | Shimano MT500 hydro | Shimano ST-EF505 |
| Handlebar | Cannondale C3 | Merida CC |
| Stem | Cannondale C3 | Merida CC |
| Grips | Cannondale Locking Grips | Merida EC |
| Headset | Integrated | FSA No.10 |
| Seatpost | Cannondale C3 | Merida CC |
| Saddle | Fabric Scoop | not listed |
| Pedals | not listed | VPE-891 |
| Rotor | not listed | Shimano SM-RT10 |
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