2021 TanTan Cycling (Seraph) GR029 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
Average stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

49cm
52cm
54cm
56cm
58cm
Stack
540mm
554mm
570mm
582mm
596mm
Reach
355mm
366mm
381mm
392mm
402mm
Stack to Reach Ratio
1.52:1
1.51:1
1.5:1
1.48:1
1.48:1
Seat Tube Length, C-T
500mm
520mm
540mm
560mm
580mm
Top Tube Length, Effective/Horizontal HT Top
515mm
535mm
555.5mm
575mm
595mm
Top Tube Slope
7deg
6.2deg
5.7deg
4.8deg
4.3deg
Head Tube Angle
70.5deg
71deg
71.5deg
72deg
73deg
Seat Tube Angle
73.5deg
73.5deg
73deg
73deg
72.5deg
Head Tube Length
120mm
130mm
145mm
160mm
175mm
Bottom Bracket Drop
65mm
65mm
65mm
65mm
65mm
Bottom Bracket Height
286mm
286mm
286mm
286mm
286mm
Chainstay Length
425mm
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
420mm
420mm
420mm
420mm
420mm
Front-Center
580mm
586mm
601mm
620mm
635mm
Front-Center Horizontal
576mm
582mm
597mm
619mm
634mm
Wheelbase
996mm
1002mm
1017mm
1039mm
1054mm
Fork Offset/Rake
45mm
45mm
45mm
45mm
45mm
Fork Length (On-Axis)
396mm
396mm
396mm
396mm
396mm
Trail
76.6mm
high
73.3mm
high
70mm
high
66.7mm
high
60.3mm
mid/​neutral
Mechanical Trail
72.2mm
69.3mm
66.4mm
63.5mm
57.6mm
Wheel Flop
24.1mm
22.6mm
21.1mm
19.6mm
16.9mm
Tire to Pedal Spindle
59mm
170 mm cranks
65mm
170 mm cranks
80mm
170 mm cranks
99mm
170 mm cranks
114mm
170 mm cranks
Pedal Spindle to Ground Clearance
116mm
170 mm cranks
116mm
170 mm cranks
116mm
170 mm cranks
116mm
170 mm cranks
116mm
170 mm cranks

Base Build

49cm
52cm
54cm
56cm
58cm
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
40mm
40mm
40mm
40mm
40mm
Tire Width Max
42mm
42mm
42mm
42mm
42mm
Tire Outer Diameter
702mm
702mm
702mm
702mm
702mm
Bike Length with Tires
1698mm
1704mm
1719mm
1741mm
1756mm

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:http://tantancycling.com/index.php?_m=mod_product&_a=view&p_id=850