Compare: 2023 TanTan Cycling (Seraph) TT-X38 Base 52 vs 2026 Giant Bicycles Propel Advanced Pro S

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Giant Bicycles Propel Advanced

Stack	534mm	528mm -6mm
Reach	384mm	383mm -1mm
Stack to Reach Ratio	1.39:1	1.38:1
Seat Tube Length, C-T	520mm	500mm -20mm
Top Tube Length, Effective/Horizontal Center	537mm	—
Top Tube Length, Effective/Horizontal Unknown	—	535mm
Top Tube Slope	3.7deg	5.2deg +1.5deg
Head Tube Angle	72deg	72.3deg +0.3deg
Seat Tube Angle	74deg	74deg +0deg
Head Tube Length	130mm	130mm +0mm
Bottom Bracket Drop	70mm	70mm +0mm
Bottom Bracket Height	269mm	269mm +0mm
Chainstay Length	410mm	405mm -5mm
Chainstay Length Horizontal	404mm	398.9mm -5.1mm
Front-Center	586mm	582.3mm -3.7mm
Front-Center Horizontal	581.8mm	578.1mm -3.7mm
Wheelbase	985.8mm	977mm -8.8mm
Fork Offset/Rake	45mm	45mm +0mm
Trail	62.8mm mid/neutral	61mm -1.8mm mid/neutral
Mechanical Trail	59.8mm	58.1mm -1.7mm
Wheel Flop	18.5mm	17.7mm -0.8mm
Standover Height	—	755mm
Tire to Pedal Spindle	77mm 170 mm cranks	73.3mm -3.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	99mm +0mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm +0mm
Tire Outer Diameter	678mm	678mm +0mm
Bike Length with Tires	1663.8mm	1655mm -8.8mm
Crank Length	—	170mm
Handlebar Width	—	400mm
Stem Length	—	90mm
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

Actions	Collection I've Ridden	Collection I've Ridden
Source	N/A	https://www.giant-bicycles.com/md/propel-advanced-sl-team-frameset-2026
Brand	TanTan Cycling (Seraph)	Giant Bicycles
Bike	2023 TT-X38 Base	2026 Propel Advanced Pro
Size	52	S
Category	Performance Road	Performance Road