2021 Jamis Bicycles Dragon 29

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 Scale
Source:https://www.jamisbikes.com/usa/dragon29.html