Quiver

2025 Cannondale Synapse Carbon SmartSense vs 2027 Giant Contend SL

The XS is the Giant Contend SL size closest to your 48.0 Cannondale Synapse Carbon SmartSense. 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 Giant Contend SL

Compared with the Cannondale Synapse Carbon SmartSense in 48.0, the Giant Contend SL in XS places the top of the head tube 3 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 10 mm shorter, which can contribute to quicker direction changes.

Frame stack
−3 mm
Lower front end
Frame reach
−2 mm
About the same reach
Wheelbase
−10 mm
Shorter: quicker to change direction
Head angle
−0.4°
Slacker: calmer steering
Chainstays
−5 mm
Shorter: livelier

The two frames

2025 Cannondale Synapse Carbon SmartSense (48.0) and 2027 Giant Contend SL (XS), lined up at the bottom bracketBoth frames drawn to scale. The Cannondale Synapse Carbon SmartSense is drawn in full with its measurements, and the Giant Contend SL is the colored outline on top.J 1005

Cannondale Synapse Carbon SmartSense, 48.0Giant Contend SL, XSDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementCannondale Synapse Carbon SmartSense 48.0Giant Contend SL XSDifference
Reach371368.9−2 mm
Stack530526.8−3 mm
Head tube angle70.970.5°−0.4°
Seat tube angle7374.5°+1.5°
Effective top tube533not listed
Chainstay length425420−5 mm
Wheelbase1005995.2−10 mm
BB drop7575±0 mm
BB height278not listed
Standover722689.3−33 mm
Seat tube length407410+3 mm
Fork length393not listed
Head tube length108125+17 mm

Differences are the Giant Contend SL minus the Cannondale Synapse Carbon SmartSense. Full charts: 2025 Cannondale Synapse Carbon SmartSense, 2027 Giant Contend SL.

Where each sits in its class

Cannondale Synapse Carbon SmartSenseGiant Contend SL

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

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.

PartCannondale Synapse Carbon SmartSense2 SmartSenseGiant Contend SLSL 1
FrameCannondale SynapseGiant ALUXX SL-grade
ShifterSRAM Force AXSShimano Tiagra R4000
DerailleurSRAM Force AXSShimano Tiagra R4000
CassetteSRAM Force XG-1270Shimano CS-RS400-11
ChainSRAM ForceKMC X11
CranksetSRAM ForceShimano R4000
Bottom bracketSRAM DUBnot listed
TireVittoria Rubino Pro IVGiant SR 1
RimReserve 42 49 TurbulentGiant ALP
BrakeSRAM Force AXSShimano Tiagra, Shimano Tiagra R4000
HandlebarVision TrimaxGiant Contact
StemCannondale C1 ConcealGiant Contact AeroLight
Bar tapeCannondale Tapenot listed
SeatpostCannondale C1Giant D-Fuse
Saddlefizik Vento Argo R5Giant Grit Core
Forknot listedGiant Advanced-Grade
Gripsnot listedGiant Cork

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
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet