2026 Jamis Bicycles Ventura All-Road 51
Build
700C/29 in × 36 mm
Insights
Average stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Jamis Bicycles Ventura
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 557mm |
| Reach | 377mm |
| Stack to Reach Ratio | 1.48:1 |
| Top Tube Length, Effective/Horizontal Unknown | 537mm |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 122mm |
| Bottom Bracket Drop | 80mm |
| Bottom Bracket Height | 267mm |
| Chainstay Length | 438mm |
| Chainstay Length Horizontal | 430.6mm |
| Front-Center | 594.8mm |
| Front-Center Horizontal | 589.4mm |
| Wheelbase | 1020mm |
| Fork Offset/Rake | 48mm |
| Trail | 65.5mm high |
| Mechanical Trail | 62.1mm |
| Wheel Flop | 19.7mm |
| Standover Height | 757mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 77.8mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 97mm |
All-Road Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 36mm |
| Tire Outer Diameter | 694mm |
| Bike Length with Tires | 1714mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Unknown |
Source:https://www.jamisbikes.com/bikes/adventure-gravel/all-road/ventura-allroad/