Compare: 2024 Bigrock Aero Base 49 vs 2024 Kung MACH Base XS

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Bigrock Aero

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Kung MACH

Stack	515.1mm	500mm -15.1mm
Reach	375mm	365mm -10mm
Stack to Reach Ratio	1.37:1	1.37:1
Seat Tube Length, C-T	—	430mm
Seat Tube Length, C-TTT	450mm	—
Seat Tube Length, C-C	—	429mm
Top Tube Length, Effective/Horizontal HT Top	522.7mm	503.6mm -19.1mm
Top Tube Slope	7.2deg	10.1deg +2.9deg
Head Tube Angle	71.4deg	72deg +0.6deg
Seat Tube Angle	74deg	74.5deg +0.5deg
Head Tube Length	109mm	95mm -14mm
Bottom Bracket Drop	72mm	74.5mm +2.5mm
Bottom Bracket Height	267mm	261.5mm -5.5mm
Chainstay Length	406mm	412mm +6mm
Chainstay Length Horizontal	399.6mm	405.2mm +5.6mm
Front-Center	574mm	576.5mm +2.5mm
Front-Center Horizontal	569.5mm	572.3mm +2.8mm
Wheelbase	969.1mm	977.5mm +8.4mm
Fork Offset/Rake	43mm	57.5mm +14.5mm
Fork Length (Axle-To-Crown)	—	375mm
Fork Length, Unknown	373mm	—
Trail	68.7mm high	48.7mm -20mm mid/neutral
Mechanical Trail	65.1mm	46.3mm -18.8mm
Wheel Flop	20.8mm	14.3mm -6.5mm
Standover Height	—	708mm
Tire to Pedal Spindle	65mm 170 mm cranks	70.5mm +5.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	97mm 170 mm cranks	91.5mm -5.5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	25mm -3mm
Tire Width Max	30mm	—
Tire Outer Diameter	678mm	672mm -6mm
Bike Length with Tires	1647.1mm	1649.5mm +2.4mm
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