2018 Diamondback

El Oso Dos

A 26″ aluminum frame rigid fat bike with upper mid-range components and mechanical disc brakes.
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MSRP$1,499
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels26″ Aluminum
Drivetrain2 × 10
GroupsetDeore, FSA
BrakesMechanical Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
El Oso Dos
Other Fat bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

25 mph

El Oso Dos

23 mph

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Highest gear

(descending)

Sizing
SM

5'2" – 5'7"

MD

5'6" – 5'11"

LG

5'9" – 6'2"

🐐 Estimated

Rider Fit Notes

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Reviews
Bicycling
The Diamondback El Oso Is an Affordable and Rad Fat Bike

Feb 2018

Want to steamroll over terrain regular bikes can't conquer? This line of fat bikes is a great bargain—and there's even a mini-version for your sidekick.

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

El Oso 6061-T6 Double Butted Aluminum, Formed Top / Down Tube, 1.5" Tapered Machined Headtube, 197mm Thru Axle, Fits up to 26x5" Tire

Fork

DB El Oso Custom Rigid Air Formed Alloy Fork, 1.5 Taper Steerer, 150mmx15mm Thru-axle

Bottom Bracket

FSA Mega Exo

Headset

FSA No.57, Sealed Cartridge

Stem

DB 3D Forged, 7° Rise, 31.8 Bar Bore

Handlebar

Diamondback, 740mm Wide, 15mm Rise, 31.8 Bar Bore

Saddle

DB Race M-series Saddle

Seatpost

DB Alloy Micro Adjust, 30.9mm

TypeRigid

Pedals

DB4L Alloy Platform w/ Replaceable Pins

Grips

DB High Density Foam Grip

Groupset
Rear Derailleur

Shimano Deore M6000 Shadow Plus, 10 Speed

Front Derailleur

Shimano Deore M6020, Side Swing, Front Pull, Direct Mount

Crank

FSA Comet Mega Exo, 36/24T

Shifters

Shimano Deore M6000, 10 Speed Without Gear Display

Cassette

Shimano HG500, 10 Speed, 11-42T

Chain

KMC X10, 10 Speed, EPT Anti-Rust

Brakes

TRP Spyke Dual Piston Mechanical Disc, w/ 160mm Front and Rear Rotors

TypeMechanical Disc

Brake Levers

TRP ML800 Spyke

Wheels
Rims

Diamondback 95mm Wide w/50mm Cutouts, 32h Alloy Singlewall

Spokes

14g Stainless Steel

Front Hub

32h Alloy, Sealed Cartridge Bearing, 150mmx15mm Thru-axle

Rear Hub

32h Alloy, Sealed Cartridge Bearing, 197mmx12mm Thru-axle, Cassette

Tires

Kenda Juggernaut 26x4.5"

Rider Notes
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Last updated March 7
Not listed for 2,208 days