2021 TanTan Cycling (Seraph) GR039 Base

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

Geometry

490
520
540
560
580
Stack
535.2mm
551.2mm
571.2mm
586.1mm
601.5mm
Reach
346mm
361.1mm
370mm
375.4mm
387.8mm
Stack to Reach Ratio
1.55:1
1.53:1
1.54:1
1.56:1
1.55:1
Seat Tube Length, C-T
479mm
499mm
529mm
549mm
569mm
Top Tube Length, Effective/Horizontal HT Top
520mm
545mm
555mm
565mm
580mm
Top Tube Slope
9deg
8.3deg
7.2deg
6.7deg
6.2deg
Head Tube Angle
69deg
70deg
70.5deg
70.5deg
71deg
Seat Tube Angle
73.5deg
73deg
72.5deg
72deg
71.5deg
Head Tube Length
115mm
133mm
153mm
168mm
180mm
Bottom Bracket Drop
63mm
63mm
63mm
63mm
63mm
Bottom Bracket Height
295.5mm
295.5mm
295.5mm
295.5mm
295.5mm
Chainstay Length
425mm
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
420.3mm
420.3mm
420.3mm
420.3mm
420.3mm
Front-Center
564.2mm
589.1mm
601mm
611mm
617.9mm
Front-Center Horizontal
560.7mm
585.7mm
597.7mm
607.7mm
614.7mm
Wheelbase
981mm
1006mm
1018mm
1028mm
1035mm
Fork Offset/Rake
55mm
55mm
55mm
55mm
55mm
Fork Length (On-Axis)
398mm
398mm
398mm
398mm
398mm
Trail
78.7mm
high
72mm
high
68.6mm
high
68.6mm
high
65.3mm
high
Mechanical Trail
73.5mm
67.6mm
64.7mm
64.7mm
61.7mm
Wheel Flop
26.3mm
23.1mm
21.6mm
21.6mm
20.1mm
Tire to Pedal Spindle
35.7mm
170 mm cranks
60.6mm
170 mm cranks
72.5mm
170 mm cranks
82.5mm
170 mm cranks
89.4mm
170 mm cranks
Pedal Spindle to Ground Clearance
125.5mm
170 mm cranks
125.5mm
170 mm cranks
125.5mm
170 mm cranks
125.5mm
170 mm cranks
125.5mm
170 mm cranks

Base Build

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
Tire Width
42mm
42mm
42mm
42mm
42mm
Tire Width Max
42mm
42mm
42mm
42mm
42mm
Tire Outer Diameter
717mm
717mm
717mm
717mm
717mm
Bike Length with Tires
1698mm
1723mm
1735mm
1745mm
1752mm

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
All-road/Gravel
Source:https://www.aliexpress.com/item/4000453775800.html?spm=2114.12010612.8148356.1.70c43aa6k9Jazy