Compare: 2024 Serk Titanium A30M Frameset L vs 2026 HYGGE S-Aura Base L

Insights

Somewhat aggressive stack and reach vs trend of all-road/gravel bikes

Design deviates from other sizes of Serk Titanium A30M

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of HYGGE S-Aura

Stack	575mm	574.6mm -0.4mm
Reach	390mm	390.7mm +0.7mm
Stack to Reach Ratio	1.47:1	1.47:1
Seat Tube Length, C-T	530mm	530mm +0mm
Top Tube Length, Effective/Horizontal Center	—	566.4mm
Top Tube Length, Effective/Horizontal HT Top	566mm	—
Top Tube Slope	7.1deg	7.1deg +0deg
Head Tube Angle	73deg	73.2deg +0.2deg
Seat Tube Angle	73deg	73deg +0deg
Head Tube Length	154mm	165mm +11mm
Bottom Bracket Drop	73mm	72mm -1mm
Bottom Bracket Height	266mm	271mm +5mm
Chainstay Length	420mm	410mm -10mm
Chainstay Length Horizontal	413.6mm	403.6mm -10mm
Front-Center	592.9mm	591.8mm -1.1mm
Front-Center Horizontal	588.4mm	587.4mm -1mm
Wheelbase	1002mm	991mm -11mm
Fork Offset/Rake	43mm	43mm +0mm
Fork Length (Axle-To-Crown)	—	373mm
Trail	58.7mm mid/neutral	58.6mm -0.1mm mid/neutral
Mechanical Trail	56.1mm	56.1mm +0mm
Wheel Flop	16.4mm	16.2mm -0.2mm
Tire to Pedal Spindle	83.9mm 170 mm cranks	78.8mm -5.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	96mm 170 mm cranks	101mm +5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	32mm +4mm
Tire Outer Diameter	678mm	686mm +8mm
Bike Length with Tires	1680mm	1677mm -3mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Titanium	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc

Actions	Collection I've Ridden	Collection I've Ridden
Source	https://www.serk.cc/a30m/	https://www.hyggecycle.com/products/model-s-aura-2026-uci-approved-frameset-hand-painted-landscape
Brand	Serk Titanium	HYGGE
Bike	2024 A30M Frameset	2026 S-Aura Base
Size	L	L
Category	All-road/Gravel	Performance Road