2015 Jamis Bicycles Dragonslayer (Original) Base
- Category
- Hardtail Trail MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Steel
- Suspension
- 120mm fork travel
- Features
- Disc brake
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
15 | 17 | 19 | 21 | |
Stack | 608mm | 626mm | 635mm | 653mm |
Reach | 394mm | 408mm | 425mm | 439mm |
Stack to Reach Ratio | 1.54:1 | 1.53:1 | 1.49:1 | 1.49:1 |
Seat Tube Length, C-T | 580mm | 600mm | 620mm | 640mm |
Top Tube Length, Effective/Horizontal Center | 580mm | 600mm | 620mm | 640mm |
Top Tube Slope | 5.4deg | 5.1deg | 4deg | 3.7deg |
Head Tube Angle | 68deg | 68deg | 68deg | 68deg |
Seat Tube Angle | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 80mm | 100mm | 110mm | 130mm |
Bottom Bracket Drop | 50mm | 50mm | 50mm | 50mm |
Bottom Bracket Height | 318.2mm | 318.2mm | 318.2mm | 318.2mm |
Chainstay Length | 435mm | 435mm | 435mm | 435mm |
Chainstay Length Max | 435mm | 435mm | 435mm | 435mm |
Chainstay Length Horizontal | 432.1mm | 432.1mm | 432.1mm | 432.1mm |
Chainstay Length Horizontal Max | 432.1mm | 432.1mm | 432.1mm | 432.1mm |
Front-Center | 675.7mm | 697.7mm | 718.6mm | 739.6mm |
Front-Center Horizontal | 673.9mm | 695.9mm | 716.9mm | 737.9mm |
Wheelbase | 1106mm | 1128mm | 1149mm | 1170mm |
Wheelbase Max | 1106mm | 1128mm | 1149mm | 1170mm |
Fork Offset/Rake | 50.5mm | 51.2mm | 51.5mm | 51.2mm |
Trail | 94.3mm very high | 93.6mm very high | 93.2mm very high | 93.5mm very high |
Mechanical Trail | 87.5mm | 86.8mm | 86.5mm | 86.7mm |
Wheel Flop | 32.8mm | 32.5mm | 32.4mm | 32.5mm |
Standover Height | 762mm | 800mm | 834mm | 870mm |
Tire to Pedal Spindle | 137.5mm 170 mm cranks | 159.5mm 170 mm cranks | 180.4mm 170 mm cranks | 201.4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 148.2mm 170 mm cranks | 148.2mm 170 mm cranks | 148.2mm 170 mm cranks | 148.2mm 170 mm cranks |
Base Build
15 | 17 | 19 | 21 | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 3in | 3in | 3in | 3in |
Tire Width Max | 3in | 3in | 3in | 3in |
Tire Outer Diameter | 736.4mm | 736.4mm | 736.4mm | 736.4mm |
Bike Length with Tires | 1842.4mm | 1864.4mm | 1885.4mm | 1906.4mm |
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
Hardtail Trail MTBSource:Bike Counterculture Geometry Database