2017 Jamis Bicycles Dragonfly Base 18"
Build
26 in × 3 in
Insights
Somewhat aggressive stack and reach vs trend of hardtail trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 591mm |
| Reach | 399mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, C-T | 457.2mm |
| Top Tube Length, Effective/Horizontal Center | 580mm |
| Top Tube Slope | 16.1deg |
| Head Tube Angle | 68deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 90mm |
| Bottom Bracket Drop | 39mm |
| Bottom Bracket Height | 316.7mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 423.2mm |
| Front-Center | 668.9mm |
| Front-Center Horizontal | 667.8mm |
| Wheelbase | 1091mm |
| Fork Offset/Rake | 42.4mm |
| Trail | 97.9mm very high |
| Mechanical Trail | 90.8mm |
| Wheel Flop | 34mm |
| Standover Height | 748mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 138.2mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 141.7mm |
Base Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 3in |
| Tire Outer Diameter | 711.4mm |
| Bike Length with Tires | 1802.4mm |
| Crank Length | 175mm |
| Handlebar Width | 690mm |
| Stem Length | 80mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 120mm |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:http://www.jamisbikes.com/usa/dragonflyseries.html