Compare: 2026 TanTan Cycling (Seraph) Gr209 Base 55 vs 2026 Winspace Cycle Co G5 Base XL

Insights

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

Somewhat upright stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of Winspace Cycle Co G5

Bar type unusual for category

This: Aero Bar
Category: Drop Bar

Stack	608mm	598mm -10mm
Reach	404mm	399mm -5mm
Stack to Reach Ratio	1.5:1	1.5:1
Seat Tube Length, C-T	550mm	540mm -10mm
Top Tube Length, Effective/Horizontal Center	583mm	576mm -7mm
Top Tube Slope	8.2deg	8.3deg +0.1deg
Head Tube Angle	71.7deg	71.5deg -0.2deg
Seat Tube Angle	73.5deg	73.5deg +0deg
Head Tube Length	80mm	170mm +90mm
Bottom Bracket Drop	80mm	74mm -6mm
Bottom Bracket Height	276mm	287mm +11mm
Chainstay Length	426mm	427mm +1mm
Chainstay Length Horizontal	418.4mm	420.5mm +2.1mm
Front-Center	638mm	632.8mm -5.2mm
Front-Center Horizontal	633.6mm	628.5mm -5.1mm
Wheelbase	1052mm	1049mm -3mm
Fork Offset/Rake	55mm	51mm -4mm
Fork Length (Axle-To-Crown)	—	398mm
Fork Length, Unknown	397mm	—
Trail	59.8mm mid/neutral	67mm +7.2mm high
Mechanical Trail	56.8mm	63.6mm +6.8mm
Wheel Flop	17.8mm	20.2mm +2.4mm
Standover Height	—	839mm
Tire to Pedal Spindle	109.5mm 172.5 mm cranks	101.8mm -7.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	103.5mm 172.5 mm cranks	117mm +13.5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	45mm	50mm +5mm
Tire Width Max	50mm	58mm +8mm
Tire Outer Diameter	712mm	722mm +10mm
Bike Length with Tires	1764mm	1771mm +7mm
Crank Length	172.5mm	—
Handlebar Width	440mm	—
Stem Length	80mm	—
Suspension Type	Rigid, suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Aero Bar
Frame Material	Carbon/Composite	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc