2024 Polygon Bikes Tambora G4

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

Geometry

SM
MD
LG
XL
Stack
568mm
593mm
622mm
650mm
Reach
369mm
381mm
397mm
412mm
Stack to Reach Ratio
1.54:1
1.56:1
1.57:1
1.58:1
Seat Tube Length, C-T
404mm
448mm
492mm
535mm
Top Tube Length, Effective/Horizontal HT Top
526mm
551mm
581mm
611mm
Top Tube Slope
20.5deg
17.8deg
15.6deg
13.7deg
Head Tube Angle
70deg
71.5deg
71.8deg
72deg
Seat Tube Angle
74.5deg
74deg
73.5deg
73deg
Head Tube Length
143mm
163mm
193mm
221mm
Bottom Bracket Drop
78mm
78mm
78mm
78mm
Bottom Bracket Height
273mm
273mm
273mm
273mm
Chainstay Length
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
417.8mm
417.8mm
417.8mm
417.8mm
Front-Center
604mm
609mm
632mm
654mm
Front-Center Horizontal
599.2mm
604.2mm
627.2mm
649.2mm
Wheelbase
1017mm
1022mm
1045mm
1067mm
Fork Offset/Rake
49mm
49mm
49mm
49mm
Trail
75.6mm
high
65.8mm
high
63.8mm
mid/​neutral
62.5mm
mid/​neutral
Mechanical Trail
71.1mm
62.4mm
60.6mm
59.5mm
Wheel Flop
24.3mm
19.8mm
18.9mm
18.4mm
Standover Height
716mm
755mm
798mm
833mm
Tire to Pedal Spindle
83mm
170 mm cranks
88mm
170 mm cranks
111mm
170 mm cranks
133mm
170 mm cranks
Pedal Spindle to Ground Clearance
103mm
170 mm cranks
103mm
170 mm cranks
103mm
170 mm cranks
103mm
170 mm cranks

G4 Build

SM
MD
LG
XL
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
Tire Width
40mm
40mm
40mm
40mm
Tire Width Max
45mm
45mm
45mm
45mm
Tire Outer Diameter
702mm
702mm
702mm
702mm
Bike Length with Tires
1719mm
1724mm
1747mm
1769mm

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.polygonbikes.com/tambora-g4/