2017 Jamis Bicycles Dragonfly Base

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
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

14"
16"
18"
Stack
591mm
591mm
591mm
Reach
359mm
379mm
399mm
Stack to Reach Ratio
1.65:1
1.56:1
1.48:1
Seat Tube Length, C-T
355.6mm
406.4mm
457.2mm
Top Tube Length, Effective/Horizontal Center
540mm
560mm
580mm
Top Tube Slope
28.5deg
22.1deg
16.1deg
Head Tube Angle
68deg
68deg
68deg
Seat Tube Angle
73deg
73deg
73deg
Head Tube Length
90mm
90mm
90mm
Bottom Bracket Drop
39mm
39mm
39mm
Bottom Bracket Height
316.7mm
316.7mm
316.7mm
Chainstay Length
425mm
425mm
425mm
Chainstay Length Horizontal
423.2mm
423.2mm
423.2mm
Front-Center
629mm
649mm
668.9mm
Front-Center Horizontal
627.8mm
647.8mm
667.8mm
Wheelbase
1051mm
1071mm
1091mm
Fork Offset/Rake
42.4mm
42.4mm
42.4mm
Trail
97.9mm
very high
97.9mm
very high
97.9mm
very high
Mechanical Trail
90.8mm
90.8mm
90.8mm
Wheel Flop
34mm
34mm
34mm
Standover Height
721mm
721mm
748mm
Tire to Pedal Spindle
103.3mm
170 mm cranks
123.3mm
170 mm cranks
138.2mm
175 mm cranks
Pedal Spindle to Ground Clearance
146.7mm
170 mm cranks
146.7mm
170 mm cranks
141.7mm
175 mm cranks

Base Build

14"
16"
18"
Wheel Size
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
Tire Width
3in
3in
3in
Tire Outer Diameter
711.4mm
711.4mm
711.4mm
Bike Length with Tires
1762.4mm
1782.4mm
1802.4mm
Crank Length
170mm
170mm
175mm
Handlebar Width
690mm
690mm
690mm
Stem Length
60mm
70mm
80mm

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
Category Trend
Hardtail Trail MTB
Source:http://www.jamisbikes.com/usa/dragonflyseries.html