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

Insights

Average stack and reach vs trend of cyclocross bikes

Design deviates from other sizes of Specialized Bicycles CruX

Average stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of VeloBuild AeroGrav

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

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	38mm	50mm +12mm
Tire Width Max	—	50mm
Tire Outer Diameter	698mm	722mm +24mm
Bike Length with Tires	1706mm	1728mm +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