2025 Ventum Racing GS1 Frameset
- Category
- All-road/Gravel
- 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 |
Geometry
XS | S | M | M | M/L | M/L | L | XL | |
Stack | 506mm | 522mm | 545mm | 545mm | 570mm | 570mm | 589mm | 604mm |
Reach | 369mm | 375mm | 384mm | 384mm | 393mm | 393mm | 402mm | 411mm |
Stack to Reach Ratio | 1.37:1 | 1.39:1 | 1.42:1 | 1.42:1 | 1.45:1 | 1.45:1 | 1.47:1 | 1.47:1 |
Seat Tube Length, C-T | 485mm | 502mm | 525mm | 525mm | 550mm | 550mm | 569mm | 584mm |
Top Tube Length, Effective/Horizontal Center | 529mm | 540mm | 556mm | 556mm | 573mm | 573mm | 588mm | 601mm |
Top Tube Slope | 4.8deg | 4.7deg | 4.7deg | 4.7deg | 4.7deg | 4.7deg | 4.6deg | 4.6deg |
Head Tube Angle | 69deg | 69.5deg | 70deg | 70deg | 71deg | 71deg | 72deg | 72.5deg |
Seat Tube Angle | 72.5deg | 72.5deg | 72.5deg | 72.5deg | 72.5deg | 72.5deg | 72.5deg | 72.5deg |
Head Tube Length | 90mm | 105mm | 128mm | 128mm | 150mm | 150mm | 166mm | 180mm |
Bottom Bracket Drop | 70mm | 70mm | 70mm | 70mm | 70mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 289mm | 289mm | 289mm | 289mm | 289mm | 289mm | 289mm | 289mm |
Chainstay Length | 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 |
Front-Center | 594mm | 601mm | 614mm | 614mm | 622mm | 622mm | 627mm | 636mm |
Front-Center Horizontal | 589.9mm | 597.9mm | 609.9mm | 609.9mm | 617.9mm | 617.9mm | 622.9mm | 631.9mm |
Wheelbase | 1004mm | 1012mm | 1024mm | 1024mm | 1032mm | 1032mm | 1037mm | 1046mm |
Fork Offset/Rake | 4550mm | 4550mm | 4550mm | 4550mm | 4550mm | 4550mm | 4550mm | 4550mm |
Fork Length, Unknown | 395mm | 395mm | 395mm | 395mm | 395mm | 395mm | 395mm | 395mm |
Trail | -4735.9mm | -4723.4mm | -4711.3mm | -4711.3mm | -4688.6mm | -4688.6mm | -4667.5mm | -4657.6mm |
Mechanical Trail | -4421.3mm | -4424.3mm | -4427.2mm | -4427.2mm | -4433.1mm | -4433.1mm | -4439.1mm | -4442mm |
Wheel Flop | -1584.5mm | -1549.4mm | -1514.2mm | -1514.2mm | -1443.3mm | -1443.3mm | -1371.7mm | -1335.7mm |
Standover Height | 769mm | 786mm | 808mm | 808mm | 833mm | 833mm | 852mm | 866mm |
Tire to Pedal Spindle | 65mm 170 mm cranks | 72mm 170 mm cranks | 85mm 170 mm cranks | 85mm 170 mm cranks | 93mm 170 mm cranks | 93mm 170 mm cranks | 98mm 170 mm cranks | 107mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 119mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks |
Frameset Build
XS | S | M | M | M/L | 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 | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 48mm | 48mm | 48mm | 48mm | 48mm | 48mm | 48mm | 48mm |
Tire Outer Diameter | 718mm | 718mm | 718mm | 718mm | 718mm | 718mm | 718mm | 718mm |
Bike Length with Tires | 1722mm | 1730mm | 1742mm | 1742mm | 1750mm | 1750mm | 1755mm | 1764mm |
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 ScaleCategory Trend
All-road/GravelSource:https://ventumracing.com/gs1-grx-di2/, https://ventumracing.com/gs1-force-xplr/