Quiver

2016 Trek Superfly vs 2018 Cannondale F-Si Carbon

The Cannondale F-Si Carbon size closest to your L is the L (29"). Compare the L (29") instead

What changes on the Cannondale F-Si Carbon

Compared with the Trek Superfly in L, the Cannondale F-Si Carbon in S (27.5") places the top of the head tube 32 mm lower and 44 mm further back, relative to the bottom bracket. Its wheelbase is 59 mm shorter, which can contribute to quicker direction changes.

Frame stack
−32 mm
Lower front end
Frame reach
−44 mm
Shorter frame reach
Wheelbase
−59 mm
Shorter: quicker to change direction
Head angle
−0.6°
Slacker: calmer steering
Chainstays
−10 mm
Shorter: livelier

The two frames

2016 Trek Superfly (L) and 2018 Cannondale F-Si Carbon (S (27.5")), lined up at the bottom bracketBoth frames drawn to scale. The Trek Superfly is drawn in full with its measurements, and the Cannondale F-Si Carbon is the colored outline on top.J 1131

Trek Superfly, LCannondale F-Si Carbon, S (27.5")Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementTrek Superfly LCannondale F-Si Carbon S (27.5")Difference
Reach443399−44 mm
Stack601569−32 mm
Head tube angle69.6°69−0.6°
Seat tube angle72.0°73.3+1.3°
Effective top tube639570−69 mm
Chainstay length435425−10 mm
Wheelbase11311072−59 mm
BB drop5845−13 mm
BB height311308−3 mm
Standover795737−58 mm
Seat tube length470385−85 mm
Head tube length10097−3 mm

Differences are the Cannondale F-Si Carbon minus the Trek Superfly. Full charts: 2016 Trek Superfly, 2018 Cannondale F-Si Carbon.

Where each sits in its class

Trek SuperflyCannondale 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.

PartTrek Superfly16Cannondale F-Si CarbonCarbon 1
FrameTrek DialedCannondale F-Si
ChainTrek Clarks C410SRAM Eagle 12
Forknot listedLefty 2.0
Shifternot listedSRAM X01 Eagle
Derailleurnot listedSRAM XX1 Eagle
Cranksetnot listedTruVativ Stylo
Bottom bracketnot listedCannondale PressFit30
Tirenot listedSchwalbe Rocket Ron EVO Snakeskin
Hubnot listedLefty 60
Rimnot listedHollowGram 23
Brakenot listedSRAM Level TLM, SRAM TLM
Handlebarnot listedCannondale C1
Stemnot listedCannondale C1
Gripsnot listedCannondale Locking Grips
Headsetnot listedCannondale HeadShok Si
Seatpostnot listedCannondale SAVE
Saddlenot listedFabric Scoop

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