Compare: 2025 VeloBuild AeroGrav Base XS vs 2025 Specialized Bicycles CruX Expert 49

Insights

Average stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of VeloBuild AeroGrav

Average stack and reach vs trend of cyclocross bikes

Design deviates from other sizes of Specialized Bicycles CruX

Stack	536mm	530mm -6mm
Reach	376mm	375mm -1mm
Stack to Reach Ratio	1.43:1	1.41:1
Seat Tube Length, C-T	475mm	—
Seat Tube Length, Unknown	—	466mm
Top Tube Length, Effective/Horizontal Center	525mm	512mm -13mm
Top Tube Slope	8.9deg	9.1deg +0.2deg
Head Tube Angle	71deg	70.5deg -0.5deg
Seat Tube Angle	74.5deg	75.5deg +1deg
Head Tube Length	115mm	100mm -15mm
Bottom Bracket Drop	75mm	74mm -1mm
Bottom Bracket Height	286mm	275mm -11mm
Chainstay Length	425mm	425mm +0mm
Chainstay Length Horizontal	418.3mm	418.5mm +0.2mm
Front-Center	592.4mm	594mm +1.6mm
Front-Center Horizontal	587.7mm	589.5mm +1.8mm
Wheelbase	1006mm	1008mm +2mm
Fork Offset/Rake	50mm	50mm +0mm
Fork Length (Axle-To-Crown)	—	401mm
Trail	71.4mm high	70.5mm -0.9mm high
Mechanical Trail	67.5mm	66.5mm -1mm
Wheel Flop	22mm	22.2mm +0.2mm
Standover Height	—	749mm
Tire to Pedal Spindle	61.4mm 170 mm cranks	80mm +18.6mm 165 mm cranks
Pedal Spindle to Ground Clearance	116mm 170 mm cranks	110mm -6mm 165 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	50mm	38mm -12mm
Tire Width Max	50mm	—
Tire Outer Diameter	722mm	698mm -24mm
Bike Length with Tires	1728mm	1706mm -22mm
Crank Length	—	165mm
Handlebar Width	—	380mm
Stem Length	—	70mm
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