2019 Cannondale F-Si Carbon vs 2021 Merida BIG.NINE
The S is the Merida BIG.NINE size closest to your XS (27.5") 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 XS (27.5"), the Merida BIG.NINE in S places the top of the head tube 48 mm higher and 22 mm further forward, relative to the bottom bracket. Its wheelbase is 25 mm longer, which can contribute to stability at speed.
- Frame stack
- +48 mm
- Higher front end
- Frame reach
- +22 mm
- Longer frame reach
- Wheelbase
- +25 mm
- Longer: steadier at speed
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- +10 mm
- Longer: more planted
The two frames
Cannondale F-Si Carbon, XS (27.5")Merida BIG.NINE, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Cannondale F-Si Carbon XS (27.5") | Merida BIG.NINE S | Difference |
|---|---|---|---|
| Reach | 380 | 402 | +22 mm |
| Stack | 569 | 617 | +48 mm |
| Head tube angle | 69 | 70 | +1.0° |
| Seat tube angle | 73.1 | 73.5 | +0.4° |
| Effective top tube | 553 | 585 | +32 mm |
| Chainstay length | 423 | 433 | +10 mm |
| Wheelbase | 1055 | 1080 | +25 mm |
| BB drop | 45 | 65 | +20 mm |
| BB height | 308 | not listed | |
| Standover | 715 | 681 | −34 mm |
| Seat tube length | 330 | 380 | +50 mm |
| Head tube length | 90 | 95 | +5 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 CarbonCarbon 1 | Merida BIG.NINE15 |
|---|---|---|
| Frame | Cannondale F-Si | Merida BIG.NINE SPEED |
| Fork | Lefty Ocho | SR Suntour XCT30 |
| Shifter | SRAM X01 Eagle | Shimano ST-EF505 |
| Derailleur | SRAM XX1 Eagle | Shimano FD-TY700, Shimano Acera M310 |
| Chain | SRAM GX Eagle | SunRace M84 |
| Crankset | TruVativ Stylo | not listed |
| Bottom bracket | Cannondale PressFit30 | FSA TH-7420ST-W |
| Tire | Schwalbe Ray 29 | Merida K1080 |
| Hub | Lefty 60 | Shimano TX505 |
| Rim | HollowGram 23 | Merida CC |
| Brake | SRAM Level TLM | Shimano ST-EF505 |
| Handlebar | Cannondale C1 | Merida CC |
| Stem | Cannondale C1 | Merida CC |
| Grips | Cannondale Locking Grips | Merida EC |
| Seatpost | Cannondale C1 | Merida CC |
| Saddle | Fabric Scoop | not listed |
| Cassette | not listed | SunRace CSM668 |
| Pedals | not listed | VPE-891 |
| Rotor | not listed | Shimano SM-RT10 |
| Headset | not listed | FSA No.10 |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
