Compare: 2026 Mondince FM126 Base 52 vs 2026 Specialized Bicycles Aethos 2 52

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Mondince FM126

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Specialized Bicycles Aethos

Stack	527mm	538mm +11mm
Reach	380mm	377mm -3mm
Stack to Reach Ratio	1.39:1	1.43:1
Seat Tube Length, C-T	456mm	—
Seat Tube Length, Unknown	—	470mm
Top Tube Length, Effective/Horizontal Center	531mm	526mm -5mm
Top Tube Slope	9.9deg	9.6deg -0.3deg
Head Tube Angle	72.5deg	72.1deg -0.4deg
Seat Tube Angle	74deg	74.5deg +0.5deg
Head Tube Length	120mm	128mm +8mm
Bottom Bracket Drop	72mm	76.5mm +4.5mm
Bottom Bracket Height	271mm	262.5mm -8.5mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.6mm	402.8mm -0.8mm
Front-Center	577mm	584mm +7mm
Front-Center Horizontal	571.4mm	578.2mm +6.8mm
Wheelbase	975mm	981mm +6mm
Fork Offset/Rake	47mm	50mm +3mm
Fork Length (On-Axis)	370mm	—
Fork Length, Unknown	—	372mm
Trail	58.9mm mid/neutral	57mm -1.9mm mid/neutral
Mechanical Trail	56.1mm	54.2mm -1.9mm
Wheel Flop	16.9mm	16.7mm -0.2mm
Standover Height	—	737mm
Tire to Pedal Spindle	64mm 170 mm cranks	75mm +11mm 170 mm cranks
Pedal Spindle to Ground Clearance	101mm 170 mm cranks	92.5mm -8.5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	28mm -4mm
Tire Outer Diameter	686mm	678mm -8mm
Bike Length with Tires	1661mm	1659mm -2mm
Crank Length	—	170mm
Handlebar Width	—	380mm
Stem Length	—	90mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Carbon/Composite	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc