2019 Diamondback

El Oso Tres

A 26″ aluminum frame hardtail fat bike with high-end components.
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MSRP$2,199
FrameAluminum
SuspensionHardtail, 100mm
ForkManitou
Wheels26″ Aluminum
Drivetrain1 × 11
GroupsetXT, Race Face
BrakesHydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
El Oso Tres
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)

20 mph

El Oso Tres

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

None yet.

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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 and Down Tube, 1.5" Tapered Machined Headtube, 197mm Thru Axle, Fits up to 26x5" Tire

Fork

Manitou Mastadon Comp, 100mm, 34mm Stanchion, 3 Position Compression Adjust, VTT Cartidge, 150x15mm Hex-Lock Thru-axle, 1.5" Taper Steerer

Travel100mm

Bottom Bracket

Raceface Outboard Bearing

Headset

FSA No.57, Sealed Cartridge

Stem

DB35 Alloy, 60mm Reach, 35mm Bar Bore

Handlebar

DB35 Alloy, 760mm Wide, 15mm Rise, 35mm Bar Bore

Saddle

WTB Volt Race

Seatpost

KS E30i Dropper, SM = 125mm, MD/LG/XL = 150mm w/Southpaw Remote

TypeDropper

Pedals

DB CNC Platform, Sealed Cartidge Bearing w/Replaceable Pins

Grips

DB4L 135mm Lock On

Groupset
Rear Derailleur

Shimano XT M8000 Shadow Plus, 11 Speed, GS

Crank

Raceface Æffect, 28T Direct Mount Narrow Wide

Shifters

Shimano XT M8000 Shadow Plus, 11 Speed

Cassette

Shimano XT M8000, 11 Speed, 11-46T

Chain

KMC X11 EPT Anti-Rust, 11 Speed

Brakes

Shimano SLX M7000, w/180mm Front /180mm Rear Rotors

TypeHydraulic Disc

Brake Levers

Shimano SLX M7000

Wheels
Rims

Sun Ringle Mulefüt SL 80mm

Spokes

14g Stainless Steel

Front Hub

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

Rear Hub

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

Tires

Maxxis Minion FBF 26x4.0" EXO, TLR, Folding / Maxxis Minion FBR 26x4.0" EXO, TLR, Folding, 120tpi

Rider Notes
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Last updated August 8
Not listed for 1,710 days