Quiver

2021 Merida BIG.NINE vs 2019 Cannondale F-Si Carbon

The M (29") is the Cannondale F-Si Carbon size closest to your M Merida BIG.NINE. 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 Cannondale F-Si Carbon

Compared with the Merida BIG.NINE in M, the Cannondale F-Si Carbon in M (29") places the top of the head tube 10 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 9 mm longer, which can contribute to stability at speed.

Frame stack
−10 mm
Lower front end
Frame reach
−1 mm
About the same reach
Wheelbase
+9 mm
Longer: steadier at speed
Head angle
−1.0°
Slacker: calmer steering
Chainstays
−6 mm
Shorter: livelier

The two frames

2021 Merida BIG.NINE (M) and 2019 Cannondale F-Si Carbon (M (29")), lined up at the bottom bracketBoth frames drawn to scale. The Merida BIG.NINE is drawn in full with its measurements, and the Cannondale F-Si Carbon is the colored outline on top.J 1101

Merida BIG.NINE, MCannondale F-Si Carbon, M (29")Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementMerida BIG.NINE MCannondale F-Si Carbon M (29")Difference
Reach421420−1 mm
Stack622612−10 mm
Head tube angle7069−1.0°
Seat tube angle73.573.1−0.4°
Effective top tube605606+1 mm
Chainstay length433427−6 mm
Wheelbase11011110+9 mm
BB drop6562−3 mm
Standover744793+49 mm
Seat tube length444430−14 mm
Fork length506not listed
Head tube length100101+1 mm
BB heightnot listed308

Differences are the Cannondale F-Si Carbon minus the Merida BIG.NINE. Full charts: 2021 Merida BIG.NINE, 2019 Cannondale F-Si Carbon.

Where each sits in its class

Merida BIG.NINECannondale F-Si Carbon

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

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.

PartMerida BIG.NINE15Cannondale F-Si Carbon5
FrameMerida BIG.NINE SPEEDCannondale F-Si
ForkSR Suntour XCT30RockShox Reba RL
ShifterShimano ST-EF505SRAM NX Eagle
DerailleurShimano FD-TY700, Shimano Acera M310SRAM NX Eagle
CassetteSunRace CSM668SRAM NX Eagle
ChainSunRace M84SRAM NX Eagle
Bottom bracketFSA TH-7420ST-WCannondale PressFit30
PedalsVPE-891not listed
TireMerida K1080Schwalbe Ray Performance 29, Schwalbe Racing Ralph
HubShimano TX505Formula 15x110 front, Formula 12x148 rear, HG driver
RimMerida CCWTB STX i23 TCS
BrakeShimano ST-EF505Shimano MT500 hydro
RotorShimano SM-RT10not listed
HandlebarMerida CCCannondale C3
StemMerida CCCannondale C3
GripsMerida ECCannondale Locking Grips
HeadsetFSA No.10Integrated
SeatpostMerida CCCannondale C3
Cranksetnot listedTruVativ Stylo
Saddlenot listedFabric Scoop

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