2019 Diamondback Bicycles El Oso Tres Base

Design
Flat Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Aluminum
Features
Disc brake
Average stack and reachvs category
Average stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

SM/16
MD/18
LG/20
Stack
600mm
609mm
609mm
Reach
408mm
434mm
455mm
Stack to Reach Ratio
1.47:1
1.4:1
1.34:1
Seat Tube Length, Unknown
400mm
457mm
500mm
Top Tube Length, Effective/Horizontal Center
580mm
609mm
630mm
Top Tube Slope
22.6deg
16.9deg
12.2deg
Head Tube Angle
68.5deg
68.5deg
68.5deg
Seat Tube Angle
74deg
74deg
74deg
Head Tube Length
110mm
120mm
120mm
Bottom Bracket Drop
60mm
60mm
60mm
Bottom Bracket Height
333.8mm
333.8mm
333.8mm
Chainstay Length
460mm
460mm
460mm
Chainstay Length Horizontal
456.1mm
456.1mm
456.1mm
Front-Center
671.6mm
701.5mm
722.4mm
Front-Center Horizontal
668.9mm
698.9mm
719.9mm
Wheelbase
1125mm
1155mm
1176mm
Fork Offset/Rake
50mm
50mm
50mm
Trail
101.4mm
very high
101.4mm
very high
101.4mm
very high
Mechanical Trail
94.3mm
94.3mm
94.3mm
Wheel Flop
34.6mm
34.6mm
34.6mm
Standover Height
787mm
804mm
820mm
Tire to Pedal Spindle
107.8mm
170 mm cranks
132.7mm
175 mm cranks
153.6mm
175 mm cranks
Pedal Spindle to Ground Clearance
163.8mm
170 mm cranks
158.8mm
175 mm cranks
158.8mm
175 mm cranks

Base Build

SM/16
MD/18
LG/20
Wheel Size
26"
559 mm BSD
26"
559 mm BSD
26"
559 mm BSD
Tire Width
4.5in
4.5in
4.5in
Tire Width Max
5in
5in
5in
Tire Outer Diameter
787.6mm
787.6mm
787.6mm
Bike Length with Tires
1912.6mm
1942.6mm
1963.6mm
Crank Length
170mm
175mm
175mm
Handlebar Width
740mm
740mm
740mm
Stem Length
70mm
70mm
80mm

Published Sizing Recommendations

Height
5 ft 4 in
to
5 ft 7 in
5 ft 7 in
to
5 ft 10 in
5 ft 10 in
to
6 ft 1 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
Category Trend
Rigid Fatbike
Source:https://www.diamondback.com/mountain-bikes/fat-bikes/el-oso-tres-41