2025/v2.1 Veloci Cycle Jimmy Base M 520
Build
650B/27.5 in × 47 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 570mm |
| Reach | 383mm |
| Stack to Reach Ratio | 1.49:1 |
| Seat Tube Length, C-T | 520mm |
| Top Tube Length, Actual C-C | 552mm |
| Top Tube Slope | 7.7deg |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 135mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 432mm |
| Chainstay Length Horizontal | 426.3mm |
| Front-Center | 594.8mm |
| Front-Center Horizontal | 590.7mm |
| Wheelbase | 1017mm |
| Fork Offset/Rake | 48mm |
| Fork Length (Axle-To-Crown) | 395mm |
| Trail | 56.6mm mid/neutral |
| Mechanical Trail | 53.9mm |
| Wheel Flop | 16.2mm |
| Standover Height | 789mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 85.8mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 99mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 47mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1695mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 174 cm to 182 cm |
Source:https://www.velocicycle.com/shop/jimmy-v21-frame-set