2026 Jamis Bicycles Ventura All-Road
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
Geometry
48 | 51 | 54 | 56 | 58 | 61 | |
Stack | 523mm | 557mm | 574mm | 598mm | 618mm | 638mm |
Reach | 375mm | 377mm | 380mm | 387mm | 396mm | 405mm |
Stack to Reach Ratio | 1.39:1 | 1.48:1 | 1.51:1 | 1.55:1 | 1.56:1 | 1.58:1 |
Top Tube Length, Effective/Horizontal Unknown | 515mm | 537mm | 555mm | 570mm | 585mm | 600mm |
Head Tube Angle | 70deg | 71.5deg | 72deg | 73deg | 73deg | 73deg |
Seat Tube Angle | 75deg | 74deg | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 92mm | 122mm | 140mm | 162mm | 180mm | 206mm |
Bottom Bracket Drop | 80mm | 80mm | 78mm | 78mm | 76mm | 76mm |
Bottom Bracket Height | 267mm | 267mm | 269mm | 269mm | 271mm | 271mm |
Chainstay Length | 438mm | 438mm | 438mm | 438mm | 436mm | 438mm |
Chainstay Length Horizontal | 430.6mm | 430.6mm | 431mm | 431mm | 429.3mm | 431.4mm |
Front-Center | 592.8mm | 594.8mm | 596.1mm | 601.1mm | 618.4mm | 631.2mm |
Front-Center Horizontal | 587.4mm | 589.4mm | 591mm | 596mm | 613.7mm | 626.6mm |
Wheelbase | 1018mm | 1020mm | 1022mm | 1027mm | 1043mm | 1058mm |
Fork Offset/Rake | 48mm | 48mm | 48mm | 48mm | 48mm | 48mm |
Trail | 75.2mm high | 65.5mm high | 62.3mm mid/neutral | 55.9mm mid/neutral | 55.9mm mid/neutral | 55.9mm mid/neutral |
Mechanical Trail | 70.7mm | 62.1mm | 59.2mm | 53.5mm | 53.5mm | 53.5mm |
Wheel Flop | 24.2mm | 19.7mm | 18.3mm | 15.6mm | 15.6mm | 15.6mm |
Standover Height | 721mm | 757mm | 779mm | 803mm | 826mm | 849mm |
Tire to Pedal Spindle | 75.8mm 170 mm cranks | 77.8mm 170 mm cranks | 79.1mm 170 mm cranks | 84.1mm 170 mm cranks | 101.4mm 170 mm cranks | 114.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 97mm 170 mm cranks | 97mm 170 mm cranks | 99mm 170 mm cranks | 99mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks |
All-Road Build
48 | 51 | 54 | 56 | 58 | 61 | |
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 |
Tire Width | 36mm | 36mm | 36mm | 36mm | 36mm | 36mm |
Tire Width Max | 38mm | 38mm | 38mm | 38mm | 38mm | 38mm |
Tire Outer Diameter | 694mm | 694mm | 694mm | 694mm | 694mm | 694mm |
Bike Length with Tires | 1712mm | 1714mm | 1716mm | 1721mm | 1737mm | 1752mm |
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
Endurance RoadSource:https://www.jamisbikes.com/bikes/adventure-gravel/all-road/ventura-allroad/