Compare: 2025 Alvas DA Series DA54 L vs 2026 Quick Pro Blade Base XL/558

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Alvas DA Series

Average stack and reach vs trend of performance road bikes

Stack	560mm	585mm +25mm
Reach	393mm	400mm +7mm
Stack to Reach Ratio	1.42:1	1.46:1
Seat Tube Length, C-TTT	533mm	—
Seat Tube Length, Unknown	—	536mm
Top Tube Length, Effective/Horizontal HT Top	559mm	—
Top Tube Length, Effective/Horizontal Unknown	—	559mm
Top Tube Slope	—	7.3deg
Head Tube Angle	73.25deg	72.5deg -0.75deg
Seat Tube Angle	—	73.5deg
Effective Seat Tube Angle, Seat Tube Top	73.5deg	—
Head Tube Length	144mm	157mm +13mm
Bottom Bracket Drop	—	72mm
Bottom Bracket Height	—	267mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	—	403.6mm
Front-Center	—	598.7mm
Front-Center Horizontal	—	594.4mm
Wheelbase	988mm	998mm +10mm
Fork Offset/Rake	42mm	45mm +3mm
Fork Length, Unknown	—	375mm
Trail	57.3mm mid/neutral	59.7mm +2.4mm mid/neutral
Mechanical Trail	54.8mm	56.9mm +2.1mm
Wheel Flop	15.8mm	17.1mm +1.3mm
Standover Height	804mm	806mm +2mm
Tire to Pedal Spindle	— 170 mm cranks	89.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	— 170 mm cranks	97mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	25mm	28mm +3mm
Tire Width Max	32mm	—
Tire Outer Diameter	672mm	678mm +6mm
Bike Length with Tires	1660mm	1676mm +16mm
Crank Length	170mm	—
Handlebar Width	400mm	—
Stem Length	100mm	—
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