2027 TanTan Cycling (Seraph) TT-X68-NEW 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

49
52
54
56
58
61
Stack
510mm
523mm
541mm
562mm
588mm
609mm
Reach
376mm
381mm
385mm
396.5mm
403mm
409mm
Stack to Reach Ratio
1.36:1
1.37:1
1.41:1
1.42:1
1.46:1
1.49:1
Seat Tube Length, C-T
445mm
456mm
473mm
494mm
515mm
545mm
Top Tube Length, Effective/Horizontal Center
508mm
531mm
540mm
563mm
577mm
595mm
Top Tube Slope
9.2deg
9.5deg
9.5deg
9.4deg
9.7deg
8.8deg
Head Tube Angle
71.75deg
73deg
73deg
73.5deg
73.5deg
73deg
Seat Tube Angle
75.5deg
74deg
74deg
73.5deg
73.5deg
73deg
Head Tube Length
105mm
116mm
133mm
153mm
180mm
200mm
Bottom Bracket Drop
72mm
72mm
72mm
72mm
72mm
72mm
Bottom Bracket Height
267mm
267mm
267mm
267mm
267mm
267mm
Chainstay Length
410mm
410mm
410mm
410mm
410mm
410mm
Chainstay Length Horizontal
403.6mm
403.6mm
403.6mm
403.6mm
403.6mm
403.6mm
Front-Center
575mm
577mm
582mm
595mm
609mm
616mm
Front-Center Horizontal
570.4mm
573.4mm
578.4mm
591.4mm
605.4mm
612.4mm
Wheelbase
974mm
977mm
982mm
995mm
1009mm
1016mm
Fork Offset/Rake
47mm
47mm
47mm
47mm
47mm
47mm
Fork Length, Unknown
371mm
371mm
371mm
371mm
371mm
371mm
Trail
62.3mm
mid/​neutral
54.5mm
mid/​neutral
54.5mm
mid/​neutral
51.4mm
mid/​neutral
51.4mm
mid/​neutral
54.5mm
mid/​neutral
Mechanical Trail
59.2mm
52.1mm
52.1mm
49.3mm
49.3mm
52.1mm
Wheel Flop
18.5mm
15.2mm
15.2mm
14mm
14mm
15.2mm
Tire to Pedal Spindle
66mm
170 mm cranks
68mm
170 mm cranks
73mm
170 mm cranks
86mm
170 mm cranks
100mm
170 mm cranks
107mm
170 mm cranks
Pedal Spindle to Ground Clearance
97mm
170 mm cranks
97mm
170 mm cranks
97mm
170 mm cranks
97mm
170 mm cranks
97mm
170 mm cranks
97mm
170 mm cranks

Base Build

49
52
54
56
58
61
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
35mm
35mm
35mm
35mm
35mm
35mm
Tire Outer Diameter
678mm
678mm
678mm
678mm
678mm
678mm
Bike Length with Tires
1652mm
1655mm
1660mm
1673mm
1687mm
1694mm

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