Compare: 2026 Bike Ahead Composites Superfast Base L vs 2027 Specialized Bicycles Crux 5 S-Works Size 56

Insights

Somewhat upright stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of Bike Ahead Composites Superfast

Average stack and reach vs trend of performance road bikes

Stack	588mm	578mm -10mm
Reach	404mm	400mm -4mm
Stack to Reach Ratio	1.46:1	1.45:1
Seat Tube Length, Unknown	535mm	497mm -38mm
Top Tube Length, Effective/Horizontal Center	—	566mm
Top Tube Length, Effective/Horizontal Unknown	574.4mm	—
Top Tube Slope	7.6deg	10.6deg +3deg
Head Tube Angle	71.8deg	71.5deg -0.3deg
Seat Tube Angle	73.8deg	74deg +0.2deg
Head Tube Length	165.9mm	142mm -23.9mm
Bottom Bracket Drop	75mm	78mm +3mm
Bottom Bracket Height	286mm	288mm +2mm
Chainstay Length	423mm	425mm +2mm
Chainstay Length Horizontal	416.3mm	417.8mm +1.5mm
Front-Center	629.8mm	626mm -3.8mm
Front-Center Horizontal	625.3mm	621.2mm -4.1mm
Wheelbase	1041.6mm	1039mm -2.6mm
Fork Offset/Rake	50mm	51.1mm +1.1mm
Fork Length, Unknown	395mm	401mm +6mm
Trail	66.1mm high	68.5mm +2.4mm high
Mechanical Trail	62.8mm	65mm +2.2mm
Wheel Flop	19.6mm	20.6mm +1mm
Standover Height	836mm	803mm -33mm
Tire to Pedal Spindle	98.8mm 170 mm cranks	90mm -8.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	116mm 170 mm cranks	118mm +2mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	50mm	55mm +5mm
Tire Width Max	50mm	55mm +5mm
Tire Outer Diameter	722mm	732mm +10mm
Bike Length with Tires	1763.6mm	1771mm +7.4mm
Crank Length	—	170mm
Handlebar Width	—	400mm
Stem Length	—	100mm
Suspension Type	Rigid, non-suspension corrected	Rigid, suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Carbon/Composite	Unknown
Fork Material	Carbon/Composite	Unknown
Brake Type	Disc	Unknown