2021 Jamis Bicycles Dragon 29
- Category
- Hardtail All-mountain/Enduro MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Steel
- Fork
- Aluminum
- Suspension
- 140mm fork travel
- Features
- Disc brake
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
15 | 17 | 19 | 21 | |
Stack | 631mm | 640mm | 648mm | 658mm |
Reach | 440mm | 463mm | 486mm | 509mm |
Stack to Reach Ratio | 1.43:1 | 1.38:1 | 1.33:1 | 1.29:1 |
Seat Tube Length, C-T | 381mm | 431.8mm | 482.6mm | 533.4mm |
Top Tube Length, Effective/Horizontal Center | 597mm | 622mm | 648mm | 673mm |
Top Tube Slope | 26.2deg | 21.3deg | 16.6deg | 12.4deg |
Head Tube Angle | 65deg | 65deg | 65deg | 65deg |
Seat Tube Angle | 76deg | 76deg | 76deg | 76deg |
Head Tube Length | 90mm | 100mm | 110mm | 120mm |
Bottom Bracket Drop | 60mm | 60mm | 60mm | 60mm |
Bottom Bracket Height | 314.5mm | 314.5mm | 314.5mm | 314.5mm |
Chainstay Length | 435mm | 435mm | 435mm | 435mm |
Chainstay Length Horizontal | 430.8mm | 430.8mm | 430.8mm | 430.8mm |
Front-Center | 764.5mm | 791.4mm | 810.4mm | 846.3mm |
Front-Center Horizontal | 762.2mm | 789.2mm | 808.2mm | 844.2mm |
Wheelbase | 1193mm | 1220mm | 1239mm | 1275mm |
Fork Offset/Rake | 50.7mm | 50.5mm | 43.5mm | 51mm |
Trail | 118.7mm very high | 118.9mm very high | 126.7mm very high | 118.3mm very high |
Mechanical Trail | 107.6mm | 107.8mm | 114.8mm | 107.2mm |
Wheel Flop | 45.5mm | 45.6mm | 48.5mm | 45.3mm |
Standover Height | 775mm | 788mm | 792mm | 796mm |
Tire to Pedal Spindle | 220mm 170 mm cranks | 246.9mm 170 mm cranks | 265.9mm 170 mm cranks | 301.8mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 144.5mm 170 mm cranks | 144.5mm 170 mm cranks | 144.5mm 170 mm cranks | 144.5mm 170 mm cranks |
29 Build
15 | 17 | 19 | 21 | |
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 |
Tire Width | 2.5in | 2.5in | 2.5in | 2.5in |
Tire Width Max | 2.6in | 2.6in | 2.6in | 2.6in |
Tire Outer Diameter | 749mm | 749mm | 749mm | 749mm |
Bike Length with Tires | 1942mm | 1969mm | 1988mm | 2024mm |
Handlebar Width | 760mm | 760mm | 760mm | 760mm |
Stem Length | 50mm | 50mm | 50mm | 50mm |
Published Sizing Recommendations
Height | 5 ft 0 in to 5 ft 6 in | 5 ft 6 in to 5 ft 9 in | 5 ft 9 in to 6 ft 1 in | 6 ft 1 in to 6 ft 4 in |
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 All-mountain/Enduro MTBSource:https://www.jamisbikes.com/usa/dragon29.html