Quiver

2023 Trek Domane SLR Gen 4 vs 2025 Giant Contend AR

The Giant Contend AR size closest to your 54 is the M. Compare the M instead

What changes on the Giant Contend AR

Compared with the Trek Domane SLR Gen 4 in 54, the Giant Contend AR in XL places the top of the head tube 63 mm higher and 26 mm further forward, relative to the bottom bracket. Its wheelbase is 36 mm longer, which can contribute to stability at speed.

Frame stack
+63 mm
Higher front end
Frame reach
+26 mm
Longer frame reach
Wheelbase
+36 mm
Longer: steadier at speed
Head angle
+1.2°
Steeper: sharper steering
Chainstays
+2 mm
About the same

The two frames

We can't draw these frames yet. The Trek Domane SLR Gen 4 numbers we have for size 54 are missing the seat angle. The numbers below still compare.

Geometry side by side

MeasurementTrek Domane SLR Gen 4 54Giant Contend AR XLDifference
Reach374400+26 mm
Stack575638+63 mm
Head tube angle71.3°72.5°+1.2°
Effective top tube542not listed
Chainstay length420422+2 mm
Wheelbase10101046+36 mm
BB drop8080±0 mm
Standover754856+102 mm
Seat tube length500565+65 mm
Head tube length160215+55 mm
Seat tube anglenot listed73.0°

Differences are the Giant Contend AR minus the Trek Domane SLR Gen 4. Full charts: 2023 Trek Domane SLR Gen 4, 2025 Giant Contend AR.

Where each sits in its class

Trek Domane SLR Gen 4Giant Contend AR

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.

PartTrek Domane SLR Gen 4Giant Contend AR4
Framenot listedGiant ALUXX-grade
Forknot listedGiant Advanced-Grade
Shifternot listedShimano Claris
Derailleurnot listedShimano Claris
Cassettenot listedShimano CS-HG50 Deore
Chainnot listedKMC Z72
Cranksetnot listedFSA Tempo
Tirenot listedGiant S-R3 AC
Rimnot listedGiant S-R2
Brakenot listedTektro MD-C550, Shimano Claris
Handlebarnot listedGiant Connect XS:40cm
Stemnot listedGiant Sport XS:80mm
Gripsnot listedVelo cork tape
Seatpostnot listedGiant D-Fuse
Saddlenot listedGiant Approach

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