2018 Diamondback Bicycles Oso Grande Base M

Build

26 in × 4.9 in

Insights

Average stack and reach vs trend of rigid fatbike bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
609mm
Reach
434mm
Stack to Reach Ratio
1.4:1
Seat Tube Length, C-T
457mm
Top Tube Length, Effective/Horizontal Center
609mm
Top Tube Slope
16.9deg
Head Tube Angle
68.5deg
Seat Tube Angle
74deg
Head Tube Length
120mm
Bottom Bracket Drop
85mm
Bottom Bracket Height
319mm
Chainstay Length
460mm
Chainstay Length Horizontal
452.1mm
Front-Center
708mm
Front-Center Horizontal
702.9mm
Wheelbase
1155mm
Fork Offset/Rake
50mm
Trail
105.4mm
very high
Mechanical Trail
98.1mm
Wheel Flop
35.9mm
Standover Height
804mm
Tire to Pedal Spindle Distance
With 170 mm cranks
134.1mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
149mm

Base Build

Wheel Size
26 inch (559mm BSD)
Tire Width
4.9in
Tire Outer Diameter
807.9mm
Bike Length with Tires
1962.9mm
Suspension Type
Rigid, suspension corrected
Bar Type
Flat Bar
Frame Material
Aluminum
Fork Material
Aluminum
Brake Type
Disc

Published Sizing Recommendations

Height
5 ft 7 in
to
5 ft 10 in
Source:https://www.rei.com/product/124844/diamondback-el-oso-dos-fat-bike-2017