Quiver

2026 Factor MONZA Rapha Edition Standard package vs 2025 Basso SV Shimano Dura Ace

The Basso SV Shimano Dura Ace size closest to your 54 is the 51. Compare the 51 instead

What changes on the Basso SV Shimano Dura Ace

Compared with the Factor MONZA Rapha Edition Standard package in 54, the Basso SV Shimano Dura Ace in 61 places the top of the head tube 82 mm higher and 9 mm further forward, relative to the bottom bracket. Its wheelbase is 17 mm longer, which can contribute to stability at speed.

Frame stack
+82 mm
Higher front end
Frame reach
+9 mm
Longer frame reach
Wheelbase
+17 mm
Longer: steadier at speed
Head angle
+1.5°
Steeper: sharper steering
Chainstays
n/a
One of the bikes has no number for this

The two frames

2026 Factor MONZA Rapha Edition Standard package (54)The Factor MONZA Rapha Edition Standard package frame drawn to scale.J 985

Only the Factor MONZA Rapha Edition Standard package is drawn. The Basso SV Shimano Dura Ace numbers we have for size 61 are missing the chainstay length.

Geometry side by side

MeasurementFactor MONZA Rapha Edition Standard package 54Basso SV Shimano Dura Ace 61Difference
Reach381390+9 mm
Stack552634+82 mm
Head tube angle72.574+1.5°
Seat tube angle7472.5−1.5°
Chainstay length405not listed
Wheelbase9851002+17 mm
BB drop70not listed
Standover786857+71 mm
Seat tube length498580+82 mm
Effective top tubenot listed590
Head tube lengthnot listed218

Differences are the Basso SV Shimano Dura Ace minus the Factor MONZA Rapha Edition Standard package. Full charts: 2026 Factor MONZA Rapha Edition Standard package, 2025 Basso SV Shimano Dura Ace.

Where each sits in its class

Factor MONZA Rapha Edition Standard packageBasso SV Shimano Dura Ace

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.

PartFactor MONZA Rapha Edition Standard packageStandard packageBasso SV Shimano Dura AceShimano Dura Ace Di2
ForkFactor MONZA Wide Stance Forknot listed
Framenot listedBasso SV
Shifternot listedShimano Dura-Ace R9270
Derailleurnot listedShimano Dura-Ace R9250
Cassettenot listedShimano Dura-Ace R9200
Chainnot listedShimano Dura-Ace
Cranksetnot listedShimano Dura-Ace R9200
Chainringnot listedShimano 52, Shimano 36
Bottom bracketnot listedShimano Dura-Ace R9200
Wheelsetnot listedDT Swiss ARC 1100
Tirenot listedContinental Grand Prix 5000
Brakenot listedShimano Dura-Ace R9270
Rotornot listedShimano Dura Ace Ice Rotor
Handlebarnot listedBasso Fuga Integrated
Stemnot listedBasso Fuga Integrated
Saddlenot listedSelle Italia SLR Superflow

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