Compare: 2024 Bigrock Aero Base 51 vs 2025 Cannondale SuperX Base m

Insights

Average stack and reach vs trend of performance road bikes

Somewhat aggressive stack and reach vs trend of all-road/gravel bikes

Design deviates from other sizes of Cannondale SuperX

Bar type unusual for category

This: Moto/Klunker/Riser Bar
Category: Drop Bar

Stack	527.6mm	535mm +7.4mm
Reach	381mm	376mm -5mm
Stack to Reach Ratio	1.38:1	1.42:1
Seat Tube Length, C-TTT	470mm	—
Seat Tube Length, Unknown	—	475mm
Top Tube Length, Effective/Horizontal HT Top	535.3mm	—
Top Tube Length, Effective/Horizontal Unknown	—	534mm
Top Tube Slope	6.3deg	8.9deg +2.6deg
Head Tube Angle	72deg	71.5deg -0.5deg
Seat Tube Angle	73.7deg	73.5deg -0.2deg
Head Tube Length	120mm	130mm +10mm
Bottom Bracket Drop	72mm	69mm -3mm
Bottom Bracket Height	267mm	277mm +10mm
Chainstay Length	406mm	410mm +4mm
Chainstay Length Horizontal	399.6mm	404.2mm +4.6mm
Front-Center	578.7mm	583mm +4.3mm
Front-Center Horizontal	574.3mm	578.9mm +4.6mm
Wheelbase	973.8mm	983mm +9.2mm
Fork Offset/Rake	43mm	45mm +2mm
Fork Length, Unknown	373mm	375mm +2mm
Trail	64.9mm mid/neutral	68.3mm +3.4mm high
Mechanical Trail	61.8mm	64.8mm +3mm
Wheel Flop	19.1mm	20.6mm +1.5mm
Tire to Pedal Spindle	69.7mm 170 mm cranks	67mm -2.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	97mm 170 mm cranks	107mm +10mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	35mm +7mm
Tire Width Max	30mm	—
Tire Outer Diameter	678mm	692mm +14mm
Bike Length with Tires	1651.8mm	1675mm +23.2mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Moto/Klunker/Riser Bar
Frame Material	Carbon/Composite	Unknown
Fork Material	Carbon/Composite	Unknown
Brake Type	Disc	Unknown