2021 Ventum Racing GS1 Frameset

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
Somewhat aggressive stack and reachvs category

Geometry

S
M
M/L
L
XL
Stack
522mm
545mm
570mm
589mm
604mm
Reach
365mm
374mm
383mm
392mm
401mm
Stack to Reach Ratio
1.43:1
1.46:1
1.49:1
1.5:1
1.51:1
Seat Tube Length, C-T
502mm
525mm
550mm
569mm
584mm
Top Tube Length, Effective/Horizontal HT Top
530mm
546mm
563mm
578mm
591mm
Top Tube Slope
4.8deg
4.8deg
4.7deg
4.7deg
4.7deg
Head Tube Angle
69.5deg
70deg
71deg
72deg
72.5deg
Seat Tube Angle
72.5deg
72.5deg
72.5deg
72.5deg
72.5deg
Head Tube Length
105mm
128mm
150mm
166mm
180mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
283mm
283mm
283mm
283mm
283mm
Chainstay Length
420mm
420mm
420mm
420mm
420mm
Chainstay Length Horizontal
414.1mm
414.1mm
414.1mm
414.1mm
414.1mm
Front-Center
592mm
604mm
612mm
617mm
626mm
Front-Center Horizontal
587.9mm
599.9mm
607.9mm
612.9mm
621.9mm
Wheelbase
1002mm
1014mm
1022mm
1027mm
1036mm
Fork Offset/Rake
45mm
45mm
45mm
45mm
45mm
Fork Length (On-Axis)
394mm
394mm
394mm
394mm
394mm
Trail
83.9mm
very high
80.6mm
very high
74mm
high
67.4mm
high
64.1mm
mid/​neutral
Mechanical Trail
78.6mm
75.7mm
69.9mm
64.1mm
61.2mm
Wheel Flop
27.5mm
25.9mm
22.8mm
19.8mm
18.4mm
Tire to Pedal Spindle
69mm
170 mm cranks
81mm
170 mm cranks
89mm
170 mm cranks
94mm
170 mm cranks
103mm
170 mm cranks
Pedal Spindle to Ground Clearance
113mm
170 mm cranks
113mm
170 mm cranks
113mm
170 mm cranks
113mm
170 mm cranks
113mm
170 mm cranks

Frameset Build

S
M
M/L
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
700C/29 in
622 mm BSD
Tire Width
42mm
42mm
42mm
42mm
42mm
Tire Outer Diameter
706mm
706mm
706mm
706mm
706mm
Bike Length with Tires
1708mm
1720mm
1728mm
1733mm
1742mm

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://ventumracing.com/gravel/#size-chart