Compare: 2025 SPCYCLE SP-R088 Base 54 vs 2025 TanTan Cycling (Seraph) TT-X70 Base 540

Insights

Somewhat aggressive stack and reach vs trend of endurance road bikes

Average stack and reach vs trend of performance road bikes

Stack	545mm	545mm +0mm
Reach	384mm	384mm +0mm
Stack to Reach Ratio	1.42:1	1.42:1
Seat Tube Length, C-T	474mm	474mm +0mm
Top Tube Length, Effective/Horizontal Center	—	540mm
Top Tube Length, Effective/Horizontal HT Top	540mm	—
Top Tube Slope	9.9deg	9.9deg +0deg
Head Tube Angle	73deg	73deg +0deg
Seat Tube Angle	74deg	74deg +0deg
Head Tube Length	—	137mm
Bottom Bracket Drop	74mm	74mm +0mm
Bottom Bracket Height	269mm	265mm -4mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.3mm	403.3mm +0mm
Front-Center	582mm	582mm +0mm
Front-Center Horizontal	576.7mm	576.7mm +0mm
Wheelbase	980mm	980mm +0mm
Fork Offset/Rake	46.6mm	46.6mm +0mm
Trail	56.1mm mid/neutral	54.9mm -1.2mm mid/neutral
Mechanical Trail	53.7mm	52.5mm -1.2mm
Wheel Flop	15.7mm	15.4mm -0.3mm
Tire to Pedal Spindle	69mm 170 mm cranks	73mm +4mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	95mm -4mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	28mm -4mm
Tire Outer Diameter	686mm	678mm -8mm
Bike Length with Tires	1666mm	1658mm -8mm
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	https://www.sp-cycle.com/spcycle-2025-new-r088-carbon-road-bike-frame-disc-brake-full-hidden-cable-udh-hanger-lightweight-road-bicycle-frameset-p6081415.html	https://www.seraphbikes.com/Superlight-Internal-Cable-Carbon-Fiber-Road-Bike-Frame-TT-X70-Disc-Brake-BSA-Bottom-Bracket-UDH-Hanger-p6452343.html
Brand	SPCYCLE	TanTan Cycling (Seraph)
Bike	2025 SP-R088 Base	2025 TT-X70 Base
Size	54	540
Category	Endurance Road	Performance Road