Quiver

2026 Factor MONZA Rapha Edition SRAM Power Meter vs 2025 Basso SV Shimano Dura Ace

The 58 is the Basso SV Shimano Dura Ace size closest to your 61 Factor MONZA Rapha Edition SRAM Power Meter. 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 Basso SV Shimano Dura Ace

Compared with the Factor MONZA Rapha Edition SRAM Power Meter in 61, the Basso SV Shimano Dura Ace in 58 places the top of the head tube at about the same height and 21 mm further back, relative to the bottom bracket. Its wheelbase is 23 mm shorter, which can contribute to quicker direction changes.

Frame stack
−2 mm
About the same height
Frame reach
−21 mm
Shorter frame reach
Wheelbase
−23 mm
Shorter: quicker to change direction
Head angle
+0.2°
About the same head angle
Chainstays
n/a
One of the bikes has no number for this

The two frames

2026 Factor MONZA Rapha Edition SRAM Power Meter (61)The Factor MONZA Rapha Edition SRAM Power Meter frame drawn to scale.J 1022

Only the Factor MONZA Rapha Edition SRAM Power Meter is drawn. The Basso SV Shimano Dura Ace numbers we have for size 58 are missing the chainstay length.

Geometry side by side

MeasurementFactor MONZA Rapha Edition SRAM Power Meter 61Basso SV Shimano Dura Ace 58Difference
Reach410389−21 mm
Stack611609−2 mm
Head tube angle73.373.5+0.2°
Seat tube angle73.573−0.5°
Chainstay length410not listed
Wheelbase1022999−23 mm
BB drop70not listed
Standover842830−12 mm
Seat tube length553550−3 mm
Effective top tubenot listed575
Head tube lengthnot listed194

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

Where each sits in its class

Factor MONZA Rapha Edition SRAM Power MeterBasso 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 SRAM Power MeterSRAM Force w/ Power MeterBasso SV Shimano Dura AceShimano Dura Ace Di2
ForkFactor MONZA Wide Stance Forknot listed
WheelsetBlack Inc Forty FiveDT Swiss ARC 1100
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
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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