2025 Bergamont Helix 20

Category
Hybrid
Design
Flat Bar, Hardtail (Front suspension)
Features
E-bike
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Very aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Very aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Very aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

S
M
L
XL
Stack
600mm
609mm
618mm
637mm
Reach
419mm
437mm
454mm
469mm
Stack to Reach Ratio
1.43:1
1.39:1
1.36:1
1.36:1
Seat Tube Length, C-T
400mm
440mm
490mm
540mm
Top Tube Length, Effective/Horizontal Center
580mm
600mm
620mm
640mm
Top Tube Slope
22.4deg
18.5deg
14deg
10.7deg
Head Tube Angle
68deg
68deg
68deg
68deg
Seat Tube Angle
76.2deg
76.2deg
76.2deg
76.2deg
Head Tube Length
110mm
120mm
130mm
150mm
Bottom Bracket Drop
55mm
55mm
55mm
55mm
Bottom Bracket Height
306.8mm
306.8mm
306.8mm
306.8mm
Chainstay Length
475mm
475mm
475mm
475mm
Chainstay Length Horizontal
471.8mm
471.8mm
471.8mm
471.8mm
Front-Center
691.4mm
712.3mm
733.3mm
756.2mm
Front-Center Horizontal
689.2mm
710.2mm
731.2mm
754.2mm
Wheelbase
1161mm
1182mm
1203mm
1226mm
Fork Offset/Rake
46mm
46mm
46mm
46mm
Fork Length (On-Axis)
493mm
493mm
493mm
493mm
Trail
96.6mm
very high
96.6mm
very high
96.6mm
very high
96.6mm
very high
Mechanical Trail
89.5mm
89.5mm
89.5mm
89.5mm
Wheel Flop
33.5mm
33.5mm
33.5mm
33.5mm
Standover Height
739mm
757mm
787mm
824mm
Tire to Pedal Spindle
159.6mm
170 mm cranks
180.5mm
170 mm cranks
201.5mm
170 mm cranks
224.4mm
170 mm cranks
Pedal Spindle to Ground Clearance
136.8mm
170 mm cranks
136.8mm
170 mm cranks
136.8mm
170 mm cranks
136.8mm
170 mm cranks

20 Build

S
M
L
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
2in
2in
2in
2in
Tire Outer Diameter
723.6mm
723.6mm
723.6mm
723.6mm
Bike Length with Tires
1884.6mm
1905.6mm
1926.6mm
1949.6mm
Stem Length
70mm
70mm
70mm
70mm

Published Sizing Recommendations

Height
155 cm
to
165 cm
165 cm
to
175 cm
175 cm
to
185 cm
185 cm
to
195 cm

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
Hybrid
Source:https://www.bergamont.com/de/de/product/bergamont-helix-20