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

Insights

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

Average stack and reach vs trend of performance road bikes

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

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