2016 Diamondback Bicycles Mason Base

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

S/15.5"
M/17"
L/19"
XL/21"
Stack
589mm
589mm
604mm
622mm
Reach
380mm
404mm
416mm
430mm
Stack to Reach Ratio
1.55:1
1.46:1
1.45:1
1.45:1
Seat Tube Length, C-T
350mm
350mm
350mm
350mm
Seat Tube Length, Unknown
381mm
432mm
483mm
533mm
Top Tube Length, Actual C-C
559mm
584mm
610mm
635mm
Top Tube Slope
27.8deg
26.7deg
27.5deg
28.4deg
Head Tube Angle
66.5deg
66.5deg
66.5deg
66.5deg
Seat Tube Angle
73deg
73deg
73deg
73deg
Head Tube Length
105mm
105mm
120mm
140mm
Bottom Bracket Drop
2mm
2mm
2mm
2mm
Bottom Bracket Height
361.1mm
361.1mm
361.1mm
361.1mm
Chainstay Length
451mm
451mm
451mm
451mm
Chainstay Length Horizontal
451mm
451mm
451mm
451mm
Front-Center
683mm
708mm
725mm
747mm
Front-Center Horizontal
683mm
708mm
725mm
747mm
Wheelbase
1134mm
1159mm
1176mm
1198mm
Fork Offset/Rake
44mm
44mm
44mm
44mm
Trail
109.9mm
very high
109.9mm
very high
109.9mm
very high
109.9mm
very high
Mechanical Trail
100.8mm
100.8mm
100.8mm
100.8mm
Wheel Flop
40.2mm
40.2mm
40.2mm
40.2mm
Standover Height
762mm
775mm
800mm
813mm
Tire to Pedal Spindle
149.9mm
170 mm cranks
169.9mm
175 mm cranks
186.9mm
175 mm cranks
208.9mm
175 mm cranks
Pedal Spindle to Ground Clearance
191.1mm
170 mm cranks
186.1mm
175 mm cranks
186.1mm
175 mm cranks
186.1mm
175 mm cranks

Base Build

S/15.5"
M/17"
L/19"
XL/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
2.8in
2.8in
2.8in
2.8in
Tire Outer Diameter
726.2mm
726.2mm
726.2mm
726.2mm
Bike Length with Tires
1860.2mm
1885.2mm
1902.2mm
1924.2mm
Crank Length
170mm
175mm
175mm
175mm
Handlebar Width
740mm
740mm
740mm
740mm
Stem Length
60mm
60mm
60mm
60mm

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:email from DB support. happy to share. I have it bc I'm an owner of one of these bikes