Compare: 2023 TanTan Cycling (Seraph) TT-X38 Base 47 vs 2023 BMC Switzerland Teammachine SLR01 47

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of TanTan Cycling (Seraph) TT-X38

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of BMC Switzerland Teammachine

Bar type unusual for category

This: Aero Bar
Category: Drop Bar

Stack	509mm	506mm -3mm
Reach	370mm	367mm -3mm
Stack to Reach Ratio	1.38:1	1.38:1
Seat Tube Length, C-T	470mm	423mm -47mm
Top Tube Length, Effective/Horizontal Center	511mm	—
Top Tube Length, Effective/Horizontal Unknown	—	517mm
Top Tube Slope	6.5deg	11.7deg +5.2deg
Head Tube Angle	70.5deg	71.5deg +1deg
Seat Tube Angle	74.5deg	73.5deg -1deg
Head Tube Length	110mm	110mm +0mm
Bottom Bracket Drop	70mm	69mm -1mm
Bottom Bracket Height	269mm	270mm +1mm
Chainstay Length	410mm	—
Chainstay Length Horizontal	404mm	—
Front-Center	578mm	568mm -10mm
Front-Center Horizontal	573.8mm	563.8mm -10mm
Wheelbase	977.7mm	968mm -9.7mm
Fork Offset/Rake	45mm	48mm +3mm
Fork Length (Axle-To-Crown)	—	368mm
Trail	72.3mm high	62.8mm -9.5mm mid/neutral
Mechanical Trail	68.2mm	59.6mm -8.6mm
Wheel Flop	22.8mm	18.9mm -3.9mm
Tire to Pedal Spindle	69mm 170 mm cranks	59mm -10mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	100mm +1mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm +0mm
Tire Width Max	32mm	—
Tire Outer Diameter	678mm	678mm +0mm
Bike Length with Tires	1655.7mm	1646mm -9.7mm
Crank Length	—	170mm
Handlebar Width	—	400mm
Stem Length	—	90mm
Suspension Type	Rigid, non-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