2025 TanTan Cycling (Seraph) TT-X70 Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category

Geometry

440
490
520
540
560
580
Stack
500mm
514mm
527mm
545mm
565mm
591mm
Reach
366mm
375mm
380mm
384mm
395mm
402mm
Stack to Reach Ratio
1.37:1
1.37:1
1.39:1
1.42:1
1.43:1
1.47:1
Seat Tube Length, C-T
434mm
446mm
457mm
474mm
495mm
516mm
Top Tube Length, Effective/Horizontal Center
495mm
508mm
531mm
540mm
562mm
577mm
Top Tube Slope
9.6deg
9.6deg
9.8deg
9.9deg
9.6deg
10deg
Head Tube Angle
70.5deg
71.75deg
72.5deg
73deg
73.5deg
73.5deg
Seat Tube Angle
75.5deg
75.5deg
74deg
74deg
73.5deg
73.5deg
Head Tube Length
99mm
109mm
120mm
137mm
157mm
184mm
Bottom Bracket Drop
74mm
74mm
74mm
74mm
74mm
74mm
Bottom Bracket Height
265mm
265mm
265mm
265mm
265mm
265mm
Chainstay Length
410mm
410mm
410mm
410mm
410mm
410mm
Chainstay Length Horizontal
403.3mm
403.3mm
403.3mm
403.3mm
403.3mm
403.3mm
Front-Center
572mm
575mm
578mm
582mm
595mm
609mm
Front-Center Horizontal
566.7mm
569.7mm
572.7mm
576.7mm
589.7mm
604.7mm
Wheelbase
970mm
973mm
976mm
980mm
993mm
1008mm
Fork Offset/Rake
47mm
47.2mm
47.6mm
46.6mm
47.3mm
47.6mm
Trail
70.2mm
high
62.1mm
mid/​neutral
57mm
mid/​neutral
54.9mm
mid/​neutral
51.1mm
mid/​neutral
50.8mm
mid/​neutral
Mechanical Trail
66.1mm
59mm
54.4mm
52.5mm
49mm
48.7mm
Wheel Flop
22.1mm
18.5mm
16.3mm
15.4mm
13.9mm
13.8mm
Tire to Pedal Spindle
63mm
170 mm cranks
66mm
170 mm cranks
69mm
170 mm cranks
73mm
170 mm cranks
86mm
170 mm cranks
100mm
170 mm cranks
Pedal Spindle to Ground Clearance
95mm
170 mm cranks
95mm
170 mm cranks
95mm
170 mm cranks
95mm
170 mm cranks
95mm
170 mm cranks
95mm
170 mm cranks

Base Build

440
490
520
540
560
580
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
28mm
28mm
28mm
28mm
28mm
28mm
Tire Width Max
32mm
32mm
32mm
32mm
32mm
32mm
Tire Outer Diameter
678mm
678mm
678mm
678mm
678mm
678mm
Bike Length with Tires
1648mm
1651mm
1654mm
1658mm
1671mm
1686mm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
Performance Road
Source:https://www.seraphbikes.com/Superlight-Internal-Cable-Carbon-Fiber-Road-Bike-Frame-TT-X70-Disc-Brake-BSA-Bottom-Bracket-UDH-Hanger-p6452343.html