Compare: 2027 Cervelo Cycles Aspero 5 Base 51 vs 2022 TanTan Cycling (Seraph) GR047 Base S

Insights

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

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

Design deviates from other sizes of TanTan Cycling (Seraph) GR047

Stack	525mm	556mm +31mm
Reach	377mm	372mm -5mm
Stack to Reach Ratio	1.39:1	1.49:1
Seat Tube Length, C-T	—	430mm
Top Tube Length, Effective/Horizontal Center	531mm	—
Top Tube Length, Effective/Horizontal HT Top	—	528mm
Top Tube Slope	—	16.2deg
Head Tube Angle	71.1deg	70.5deg -0.6deg
Seat Tube Angle	73.6deg	74.3deg +0.7deg
Head Tube Length	99mm	125mm +26mm
Bottom Bracket Drop	80mm	76mm -4mm
Bottom Bracket Height	273mm	280mm +7mm
Chainstay Length	422.5mm	430mm +7.5mm
Chainstay Length Horizontal	414.9mm	423.2mm +8.3mm
Front-Center	593mm	600mm +7mm
Front-Center Horizontal	587.6mm	595.2mm +7.6mm
Wheelbase	1002.4mm	1018.4mm +16mm
Wheelbase Max	1002mm	—
Fork Offset/Rake	54.5mm	50mm -4.5mm
Trail	63.3mm mid/neutral	73mm +9.7mm high
Mechanical Trail	59.8mm	68.8mm +9mm
Wheel Flop	19.4mm	23mm +3.6mm
Standover Height	753mm	—
Tire to Pedal Spindle	70mm 170 mm cranks	74mm +4mm 170 mm cranks
Pedal Spindle to Ground Clearance	103mm 170 mm cranks	110mm +7mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	42mm	45mm +3mm
Tire Width Max	45mm	47mm +2mm
Tire Outer Diameter	706mm	712mm +6mm
Bike Length with Tires	1708.4mm	1730.4mm +22mm
Crank Length	170mm	170mm +0mm
Handlebar Width	—	420mm
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