2015 Jamis Bicycles Dragon 29 sport

Design
Flat Bar, Hardtail (Front suspension)
Frame
Steel
Suspension
120mm fork travel
Features
Disc brake
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

17
19
Stack
632mm
641mm
Reach
407mm
424mm
Stack to Reach Ratio
1.55:1
1.51:1
Seat Tube Length, C-TTT
410mm
461mm
Top Tube Length, Effective/Horizontal Unknown
600mm
620mm
Top Tube Slope
22.5deg
17.8deg
Head Tube Angle
68.5deg
68.5deg
Seat Tube Angle
73deg
73deg
Head Tube Length
100mm
110mm
Bottom Bracket Drop
55mm
55mm
Bottom Bracket Height
309.3mm
258.1mm
Chainstay Length
435mm
435mm
Chainstay Length Horizontal
431.5mm
431.5mm
Front-Center
684.7mm
705.6mm
Front-Center Horizontal
682.5mm
703.5mm
Wheelbase
1114mm
1135mm
Fork Offset/Rake
46mm
45.3mm
Trail
94.1mm
very high
74.7mm
high
Mechanical Trail
87.5mm
69.5mm
Wheel Flop
32.1mm
25.5mm
Standover Height
807mm
840mm
Tire to Pedal Spindle
150.4mm
170 mm cranks
222.5mm
170 mm cranks
Pedal Spindle to Ground Clearance
139.3mm
170 mm cranks
88.1mm
170 mm cranks

29 sport Build

17
19
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.1in
2.1mm
Tire Outer Diameter
728.7mm
626.2mm
Bike Length with Tires
1842.7mm
1761.2mm

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 Scale
Source:https://www.jamisbikes.com/bikes/mountain-bikes/trail-hartails/dragon/