2025 Ventum Racing GS1 Frameset

Design
Drop Bar, Rigid, non-suspension corrected
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

XS
XS
S
S
M
M
M
M/L
M/L
M/L
L
L
XL
XL
Stack
506mm
506mm
522mm
522mm
545mm
545mm
545mm
570mm
570mm
570mm
589mm
589mm
604mm
604mm
Reach
369mm
369mm
375mm
375mm
384mm
384mm
384mm
393mm
393mm
393mm
402mm
402mm
411mm
411mm
Stack to Reach Ratio
1.37:1
1.37:1
1.39:1
1.39:1
1.42:1
1.42:1
1.42:1
1.45:1
1.45:1
1.45:1
1.47:1
1.47:1
1.47:1
1.47:1
Seat Tube Length, C-T
485mm
485mm
502mm
502mm
525mm
525mm
525mm
550mm
550mm
550mm
569mm
569mm
584mm
584mm
Top Tube Length, Effective/Horizontal Center
529mm
529mm
540mm
540mm
556mm
556mm
556mm
573mm
573mm
573mm
588mm
588mm
601mm
601mm
Top Tube Slope
4.8deg
4.5deg
4.7deg
4.4deg
4.7deg
4.7deg
4.5deg
4.7deg
4.7deg
4.4deg
4.6deg
4.5deg
4.6deg
4.5deg
Head Tube Angle
69deg
69deg
69.5deg
69.5deg
70deg
70deg
70deg
71deg
71deg
71deg
72deg
72deg
72.5deg
72.5deg
Seat Tube Angle
72.5deg
74deg
72.5deg
74deg
72.5deg
72.5deg
73.5deg
72.5deg
72.5deg
73.5deg
72.5deg
73deg
72.5deg
73deg
Head Tube Length
90mm
90mm
105mm
105mm
128mm
128mm
128mm
150mm
150mm
150mm
166mm
166mm
180mm
180mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
289mm
291mm
289mm
291mm
289mm
289mm
291mm
289mm
289mm
291mm
289mm
291mm
289mm
291mm
Chainstay Length
420mm
420mm
420mm
420mm
420mm
420mm
420mm
420mm
420mm
420mm
420mm
420mm
420mm
420mm
Chainstay Length Horizontal
414.1mm
414.1mm
414.1mm
414.1mm
414.1mm
414.1mm
414.1mm
414.1mm
414.1mm
414.1mm
414.1mm
414.1mm
414.1mm
414.1mm
Front-Center
594mm
594mm
601mm
601mm
614mm
614mm
614mm
622mm
622mm
622mm
627mm
627mm
636mm
636mm
Front-Center Horizontal
589.9mm
589.9mm
597.9mm
597.9mm
609.9mm
609.9mm
609.9mm
617.9mm
617.9mm
617.9mm
622.9mm
622.9mm
631.9mm
631.9mm
Wheelbase
1004mm
1004mm
1012mm
1012mm
1024mm
1024mm
1024mm
1032mm
1032mm
1032mm
1037mm
1037mm
1046mm
1046mm
Fork Offset/Rake
4550mm
50mm
4550mm
50mm
4550mm
4550mm
50mm
4550mm
4550mm
50mm
4550mm
50mm
4550mm
50mm
Fork Length (Axle-To-Crown)
—
395mm
—
395mm
—
—
395mm
—
—
395mm
—
395mm
—
395mm
Fork Length, Unknown
395mm
—
395mm
—
395mm
395mm
—
395mm
395mm
—
395mm
—
395mm
—
Trail
-4735.9mm
85mm
very high
-4723.4mm
81.6mm
very high
-4711.3mm
-4711.3mm
78.2mm
high
-4688.6mm
-4688.6mm
71.4mm
high
-4667.5mm
64.7mm
mid/​neutral
-4657.6mm
61.4mm
mid/​neutral
Mechanical Trail
-4421.3mm
79.4mm
-4424.3mm
76.4mm
-4427.2mm
-4427.2mm
73.5mm
-4433.1mm
-4433.1mm
67.5mm
-4439.1mm
61.6mm
-4442mm
58.6mm
Wheel Flop
-1584.5mm
28.4mm
-1549.4mm
26.8mm
-1514.2mm
-1514.2mm
25.1mm
-1443.3mm
-1443.3mm
22mm
-1371.7mm
19mm
-1335.7mm
17.6mm
Standover Height
769mm
778mm
786mm
795mm
808mm
808mm
817mm
833mm
833mm
841mm
852mm
860mm
866mm
874mm
Tire to Pedal Spindle
65mm
170 mm cranks
63mm
170 mm cranks
72mm
170 mm cranks
70mm
170 mm cranks
85mm
170 mm cranks
85mm
170 mm cranks
83mm
170 mm cranks
93mm
170 mm cranks
93mm
170 mm cranks
91mm
170 mm cranks
98mm
170 mm cranks
96mm
170 mm cranks
107mm
170 mm cranks
105mm
170 mm cranks
Pedal Spindle to Ground Clearance
119mm
170 mm cranks
121mm
170 mm cranks
119mm
170 mm cranks
121mm
170 mm cranks
119mm
170 mm cranks
119mm
170 mm cranks
121mm
170 mm cranks
119mm
170 mm cranks
119mm
170 mm cranks
121mm
170 mm cranks
119mm
170 mm cranks
121mm
170 mm cranks
119mm
170 mm cranks
121mm
170 mm cranks

Frameset Build

XS
XS
S
S
M
M
M
M/L
M/L
M/L
L
L
XL
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
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
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
48mm
50mm
48mm
50mm
48mm
48mm
50mm
48mm
48mm
50mm
48mm
50mm
48mm
50mm
Tire Outer Diameter
718mm
722mm
718mm
722mm
718mm
718mm
722mm
718mm
718mm
722mm
718mm
722mm
718mm
722mm
Bike Length with Tires
1722mm
1726mm
1730mm
1734mm
1742mm
1742mm
1746mm
1750mm
1750mm
1754mm
1755mm
1759mm
1764mm
1768mm

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/gs1-grx-di2/, https://ventumracing.com/gs1-xtr-di2/, https://ventumracing.com/gs1-force-xplr/